Home / 458,146.26-687,054.69-158,545.49

Finding the Fourth Proportional to 458,146.26, 687,054.69 and 158,545.49

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Solution

The fourth proportional to 458,146.26, 687,054.69 and 158,545.49 is: 237,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,146.26 : 687,054.69 = 158,545.49 : x
  2. Step 2: Convert to fraction form
    458,146.26/687,054.69 = 158,545.49/x
  3. Step 3: Cross multiply
    458,146.26x = 687,054.69 × 158,545.49
  4. Step 4: Simplify right side
    458,146.26x = 108,929,419,047.58
  5. Step 5: Solve for x
    x = 108,929,419,047.58/458,146.26
  6. Step 6: Final answer
    x = 237,761.23

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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.