Home / 327,545.90-491,318.85-90,888.62

Finding the Fourth Proportional to 327,545.90, 491,318.85 and 90,888.62

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Solution

The fourth proportional to 327,545.90, 491,318.85 and 90,888.62 is: 136,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,545.90 : 491,318.85 = 90,888.62 : x
  2. Step 2: Convert to fraction form
    327,545.90/491,318.85 = 90,888.62/x
  3. Step 3: Cross multiply
    327,545.90x = 491,318.85 × 90,888.62
  4. Step 4: Simplify right side
    327,545.90x = 44,655,292,256.49
  5. Step 5: Solve for x
    x = 44,655,292,256.49/327,545.90
  6. Step 6: Final answer
    x = 136,332.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.