Home / 157,934.13-217,948.58-86,314.14

Finding the Fourth Proportional to 157,934.13, 217,948.58 and 86,314.14

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Solution

The fourth proportional to 157,934.13, 217,948.58 and 86,314.14 is: 119,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,934.13 : 217,948.58 = 86,314.14 : x
  2. Step 2: Convert to fraction form
    157,934.13/217,948.58 = 86,314.14/x
  3. Step 3: Cross multiply
    157,934.13x = 217,948.58 × 86,314.14
  4. Step 4: Simplify right side
    157,934.13x = 18,812,043,815.35
  5. Step 5: Solve for x
    x = 18,812,043,815.35/157,934.13
  6. Step 6: Final answer
    x = 119,113.23

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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.