Home / 157,934.88-217,949.63-86,314.88

Finding the Fourth Proportional to 157,934.88, 217,949.63 and 86,314.88

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Solution

The fourth proportional to 157,934.88, 217,949.63 and 86,314.88 is: 119,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,934.88 : 217,949.63 = 86,314.88 : x
  2. Step 2: Convert to fraction form
    157,934.88/217,949.63 = 86,314.88/x
  3. Step 3: Cross multiply
    157,934.88x = 217,949.63 × 86,314.88
  4. Step 4: Simplify right side
    157,934.88x = 18,812,296,272.79
  5. Step 5: Solve for x
    x = 18,812,296,272.79/157,934.88
  6. Step 6: Final answer
    x = 119,114.26

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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.