Home / 130,057.13-179,493.42-73,472.15

Finding the Fourth Proportional to 130,057.13, 179,493.42 and 73,472.15

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Solution

The fourth proportional to 130,057.13, 179,493.42 and 73,472.15 is: 101,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,057.13 : 179,493.42 = 73,472.15 : x
  2. Step 2: Convert to fraction form
    130,057.13/179,493.42 = 73,472.15/x
  3. Step 3: Cross multiply
    130,057.13x = 179,493.42 × 73,472.15
  4. Step 4: Simplify right side
    130,057.13x = 13,187,766,580.79
  5. Step 5: Solve for x
    x = 13,187,766,580.79/130,057.13
  6. Step 6: Final answer
    x = 101,399.80

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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.