Home / 657,106.38-985,660.53-158,470.38

Finding the Fourth Proportional to 657,106.38, 985,660.53 and 158,470.38

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Solution

The fourth proportional to 657,106.38, 985,660.53 and 158,470.38 is: 237,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,106.38 : 985,660.53 = 158,470.38 : x
  2. Step 2: Convert to fraction form
    657,106.38/985,660.53 = 158,470.38/x
  3. Step 3: Cross multiply
    657,106.38x = 985,660.53 × 158,470.38
  4. Step 4: Simplify right side
    657,106.38x = 156,197,998,740.10
  5. Step 5: Solve for x
    x = 156,197,998,740.10/657,106.38
  6. Step 6: Final answer
    x = 237,705.80

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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.