Home / 116,319.90-160,521.50-65,332.71

Finding the Fourth Proportional to 116,319.90, 160,521.50 and 65,332.71

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Solution

The fourth proportional to 116,319.90, 160,521.50 and 65,332.71 is: 90,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,319.90 : 160,521.50 = 65,332.71 : x
  2. Step 2: Convert to fraction form
    116,319.90/160,521.50 = 65,332.71/x
  3. Step 3: Cross multiply
    116,319.90x = 160,521.50 × 65,332.71
  4. Step 4: Simplify right side
    116,319.90x = 10,487,304,608.27
  5. Step 5: Solve for x
    x = 10,487,304,608.27/116,319.90
  6. Step 6: Final answer
    x = 90,159.16

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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.