Home / 157,693.14-217,613.06-86,074.36

Finding the Fourth Proportional to 157,693.14, 217,613.06 and 86,074.36

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Solution

The fourth proportional to 157,693.14, 217,613.06 and 86,074.36 is: 118,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,693.14 : 217,613.06 = 86,074.36 : x
  2. Step 2: Convert to fraction form
    157,693.14/217,613.06 = 86,074.36/x
  3. Step 3: Cross multiply
    157,693.14x = 217,613.06 × 86,074.36
  4. Step 4: Simplify right side
    157,693.14x = 18,730,904,867.14
  5. Step 5: Solve for x
    x = 18,730,904,867.14/157,693.14
  6. Step 6: Final answer
    x = 118,780.72

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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.