Home / 199,397.41-275,194.87-126,807.15

Finding the Fourth Proportional to 199,397.41, 275,194.87 and 126,807.15

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Solution

The fourth proportional to 199,397.41, 275,194.87 and 126,807.15 is: 175,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397.41 : 275,194.87 = 126,807.15 : x
  2. Step 2: Convert to fraction form
    199,397.41/275,194.87 = 126,807.15/x
  3. Step 3: Cross multiply
    199,397.41x = 275,194.87 × 126,807.15
  4. Step 4: Simplify right side
    199,397.41x = 34,896,677,874.28
  5. Step 5: Solve for x
    x = 34,896,677,874.28/199,397.41
  6. Step 6: Final answer
    x = 175,010.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.