Home / 487,021.04-730,531.51-132,025.82

Finding the Fourth Proportional to 487,021.04, 730,531.51 and 132,025.82

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Solution

The fourth proportional to 487,021.04, 730,531.51 and 132,025.82 is: 198,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,021.04 : 730,531.51 = 132,025.82 : x
  2. Step 2: Convert to fraction form
    487,021.04/730,531.51 = 132,025.82/x
  3. Step 3: Cross multiply
    487,021.04x = 730,531.51 × 132,025.82
  4. Step 4: Simplify right side
    487,021.04x = 96,449,017,660.87
  5. Step 5: Solve for x
    x = 96,449,017,660.87/487,021.04
  6. Step 6: Final answer
    x = 198,038.71

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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.