Home / 216,543.11-324,809.20-58,767.46

Finding the Fourth Proportional to 216,543.11, 324,809.20 and 58,767.46

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Solution

The fourth proportional to 216,543.11, 324,809.20 and 58,767.46 is: 88,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,543.11 : 324,809.20 = 58,767.46 : x
  2. Step 2: Convert to fraction form
    216,543.11/324,809.20 = 58,767.46/x
  3. Step 3: Cross multiply
    216,543.11x = 324,809.20 × 58,767.46
  4. Step 4: Simplify right side
    216,543.11x = 19,088,211,374.79
  5. Step 5: Solve for x
    x = 19,088,211,374.79/216,543.11
  6. Step 6: Final answer
    x = 88,149.71

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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.