Home / 131,220.03-181,098.18-73,861.11

Finding the Fourth Proportional to 131,220.03, 181,098.18 and 73,861.11

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Solution

The fourth proportional to 131,220.03, 181,098.18 and 73,861.11 is: 101,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.03 : 181,098.18 = 73,861.11 : x
  2. Step 2: Convert to fraction form
    131,220.03/181,098.18 = 73,861.11/x
  3. Step 3: Cross multiply
    131,220.03x = 181,098.18 × 73,861.11
  4. Step 4: Simplify right side
    131,220.03x = 13,376,112,593.78
  5. Step 5: Solve for x
    x = 13,376,112,593.78/131,220.03
  6. Step 6: Final answer
    x = 101,936.52

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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.