Home / 487,233.15-730,849.37-132,299.25

Finding the Fourth Proportional to 487,233.15, 730,849.37 and 132,299.25

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Solution

The fourth proportional to 487,233.15, 730,849.37 and 132,299.25 is: 198,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,233.15 : 730,849.37 = 132,299.25 : x
  2. Step 2: Convert to fraction form
    487,233.15/730,849.37 = 132,299.25/x
  3. Step 3: Cross multiply
    487,233.15x = 730,849.37 × 132,299.25
  4. Step 4: Simplify right side
    487,233.15x = 96,690,822,852.48
  5. Step 5: Solve for x
    x = 96,690,822,852.48/487,233.15
  6. Step 6: Final answer
    x = 198,448.78

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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.