Home / 131,752.17-181,818.68-75,163.55

Finding the Fourth Proportional to 131,752.17, 181,818.68 and 75,163.55

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Solution

The fourth proportional to 131,752.17, 181,818.68 and 75,163.55 is: 103,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752.17 : 181,818.68 = 75,163.55 : x
  2. Step 2: Convert to fraction form
    131,752.17/181,818.68 = 75,163.55/x
  3. Step 3: Cross multiply
    131,752.17x = 181,818.68 × 75,163.55
  4. Step 4: Simplify right side
    131,752.17x = 13,666,136,160.20
  5. Step 5: Solve for x
    x = 13,666,136,160.20/131,752.17
  6. Step 6: Final answer
    x = 103,726.08

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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.