Home / 131,759.52-181,828.17-71,330.16

Finding the Fourth Proportional to 131,759.52, 181,828.17 and 71,330.16

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Solution

The fourth proportional to 131,759.52, 181,828.17 and 71,330.16 is: 98,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.52 : 181,828.17 = 71,330.16 : x
  2. Step 2: Convert to fraction form
    131,759.52/181,828.17 = 71,330.16/x
  3. Step 3: Cross multiply
    131,759.52x = 181,828.17 × 71,330.16
  4. Step 4: Simplify right side
    131,759.52x = 12,969,832,458.61
  5. Step 5: Solve for x
    x = 12,969,832,458.61/131,759.52
  6. Step 6: Final answer
    x = 98,435.64

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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.