Home / 159,548.28-220,187.01-91,587.25

Finding the Fourth Proportional to 159,548.28, 220,187.01 and 91,587.25

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Solution

The fourth proportional to 159,548.28, 220,187.01 and 91,587.25 is: 126,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,548.28 : 220,187.01 = 91,587.25 : x
  2. Step 2: Convert to fraction form
    159,548.28/220,187.01 = 91,587.25/x
  3. Step 3: Cross multiply
    159,548.28x = 220,187.01 × 91,587.25
  4. Step 4: Simplify right side
    159,548.28x = 20,166,322,731.62
  5. Step 5: Solve for x
    x = 20,166,322,731.62/159,548.28
  6. Step 6: Final answer
    x = 126,396.37

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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.