Home / 116,350.15-160,545.71-65,353.11

Finding the Fourth Proportional to 116,350.15, 160,545.71 and 65,353.11

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Solution

The fourth proportional to 116,350.15, 160,545.71 and 65,353.11 is: 90,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,350.15 : 160,545.71 = 65,353.11 : x
  2. Step 2: Convert to fraction form
    116,350.15/160,545.71 = 65,353.11/x
  3. Step 3: Cross multiply
    116,350.15x = 160,545.71 × 65,353.11
  4. Step 4: Simplify right side
    116,350.15x = 10,492,161,609.04
  5. Step 5: Solve for x
    x = 10,492,161,609.04/116,350.15
  6. Step 6: Final answer
    x = 90,177.47

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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.