Home / 146,538.42-202,190.28-89,207.73

Finding the Fourth Proportional to 146,538.42, 202,190.28 and 89,207.73

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Solution

The fourth proportional to 146,538.42, 202,190.28 and 89,207.73 is: 123,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,538.42 : 202,190.28 = 89,207.73 : x
  2. Step 2: Convert to fraction form
    146,538.42/202,190.28 = 89,207.73/x
  3. Step 3: Cross multiply
    146,538.42x = 202,190.28 × 89,207.73
  4. Step 4: Simplify right side
    146,538.42x = 18,036,935,572.34
  5. Step 5: Solve for x
    x = 18,036,935,572.34/146,538.42
  6. Step 6: Final answer
    x = 123,086.74

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Double scale
Find fourth proportional to 146,539.42, 202,191.66 and 89,208.73
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.