Home / 115,339.28-159,138.14-67,566.96

Finding the Fourth Proportional to 115,339.28, 159,138.14 and 67,566.96

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Solution

The fourth proportional to 115,339.28, 159,138.14 and 67,566.96 is: 93,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,339.28 : 159,138.14 = 67,566.96 : x
  2. Step 2: Convert to fraction form
    115,339.28/159,138.14 = 67,566.96/x
  3. Step 3: Cross multiply
    115,339.28x = 159,138.14 × 67,566.96
  4. Step 4: Simplify right side
    115,339.28x = 10,752,480,002.02
  5. Step 5: Solve for x
    x = 10,752,480,002.02/115,339.28
  6. Step 6: Final answer
    x = 93,224.79

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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.