Home / 487,158.27-730,737.75-132,172.26

Finding the Fourth Proportional to 487,158.27, 730,737.75 and 132,172.26

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Solution

The fourth proportional to 487,158.27, 730,737.75 and 132,172.26 is: 198,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,158.27 : 730,737.75 = 132,172.26 : x
  2. Step 2: Convert to fraction form
    487,158.27/730,737.75 = 132,172.26/x
  3. Step 3: Cross multiply
    487,158.27x = 730,737.75 × 132,172.26
  4. Step 4: Simplify right side
    487,158.27x = 96,583,259,884.82
  5. Step 5: Solve for x
    x = 96,583,259,884.82/487,158.27
  6. Step 6: Final answer
    x = 198,258.48

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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.