Home / 465,939.15-698,830.87-129,013.86

Finding the Fourth Proportional to 465,939.15, 698,830.87 and 129,013.86

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Solution

The fourth proportional to 465,939.15, 698,830.87 and 129,013.86 is: 193,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,939.15 : 698,830.87 = 129,013.86 : x
  2. Step 2: Convert to fraction form
    465,939.15/698,830.87 = 129,013.86/x
  3. Step 3: Cross multiply
    465,939.15x = 698,830.87 × 129,013.86
  4. Step 4: Simplify right side
    465,939.15x = 90,158,867,799.07
  5. Step 5: Solve for x
    x = 90,158,867,799.07/465,939.15
  6. Step 6: Final answer
    x = 193,499.23

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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.