Home / 216,545.13-324,883.31-98,184.69

Finding the Fourth Proportional to 216,545.13, 324,883.31 and 98,184.69

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Solution

The fourth proportional to 216,545.13, 324,883.31 and 98,184.69 is: 147,306.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,545.13 : 324,883.31 = 98,184.69 : x
  2. Step 2: Convert to fraction form
    216,545.13/324,883.31 = 98,184.69/x
  3. Step 3: Cross multiply
    216,545.13x = 324,883.31 × 98,184.69
  4. Step 4: Simplify right side
    216,545.13x = 31,898,566,587.60
  5. Step 5: Solve for x
    x = 31,898,566,587.60/216,545.13
  6. Step 6: Final answer
    x = 147,306.78

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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.