Home / 143,635.23-216,528.45-134,001.49

Finding the Fourth Proportional to 143,635.23, 216,528.45 and 134,001.49

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Solution

The fourth proportional to 143,635.23, 216,528.45 and 134,001.49 is: 202,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,635.23 : 216,528.45 = 134,001.49 : x
  2. Step 2: Convert to fraction form
    143,635.23/216,528.45 = 134,001.49/x
  3. Step 3: Cross multiply
    143,635.23x = 216,528.45 × 134,001.49
  4. Step 4: Simplify right side
    143,635.23x = 29,015,134,927.39
  5. Step 5: Solve for x
    x = 29,015,134,927.39/143,635.23
  6. Step 6: Final answer
    x = 202,005.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.