Home / 216,229.95-324,344.16-58,458.38

Finding the Fourth Proportional to 216,229.95, 324,344.16 and 58,458.38

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Solution

The fourth proportional to 216,229.95, 324,344.16 and 58,458.38 is: 87,687.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,229.95 : 324,344.16 = 58,458.38 : x
  2. Step 2: Convert to fraction form
    216,229.95/324,344.16 = 58,458.38/x
  3. Step 3: Cross multiply
    216,229.95x = 324,344.16 × 58,458.38
  4. Step 4: Simplify right side
    216,229.95x = 18,960,632,534.34
  5. Step 5: Solve for x
    x = 18,960,632,534.34/216,229.95
  6. Step 6: Final answer
    x = 87,687.36

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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.