Home / 159,061.14-219,508.57-86,468.92

Finding the Fourth Proportional to 159,061.14, 219,508.57 and 86,468.92

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Solution

The fourth proportional to 159,061.14, 219,508.57 and 86,468.92 is: 119,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,061.14 : 219,508.57 = 86,468.92 : x
  2. Step 2: Convert to fraction form
    159,061.14/219,508.57 = 86,468.92/x
  3. Step 3: Cross multiply
    159,061.14x = 219,508.57 × 86,468.92
  4. Step 4: Simplify right side
    159,061.14x = 18,980,668,097.27
  5. Step 5: Solve for x
    x = 18,980,668,097.27/159,061.14
  6. Step 6: Final answer
    x = 119,329.39

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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.