Home / 458,527.13-687,569.51-192,216.14

Finding the Fourth Proportional to 458,527.13, 687,569.51 and 192,216.14

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Solution

The fourth proportional to 458,527.13, 687,569.51 and 192,216.14 is: 288,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,527.13 : 687,569.51 = 192,216.14 : x
  2. Step 2: Convert to fraction form
    458,527.13/687,569.51 = 192,216.14/x
  3. Step 3: Cross multiply
    458,527.13x = 687,569.51 × 192,216.14
  4. Step 4: Simplify right side
    458,527.13x = 132,161,956,814.97
  5. Step 5: Solve for x
    x = 132,161,956,814.97/458,527.13
  6. Step 6: Final answer
    x = 288,231.49

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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.