Home / 126,248.18-174,226.13-69,663.20

Finding the Fourth Proportional to 126,248.18, 174,226.13 and 69,663.20

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Solution

The fourth proportional to 126,248.18, 174,226.13 and 69,663.20 is: 96,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.18 : 174,226.13 = 69,663.20 : x
  2. Step 2: Convert to fraction form
    126,248.18/174,226.13 = 69,663.20/x
  3. Step 3: Cross multiply
    126,248.18x = 174,226.13 × 69,663.20
  4. Step 4: Simplify right side
    126,248.18x = 12,137,148,519.97
  5. Step 5: Solve for x
    x = 12,137,148,519.97/126,248.18
  6. Step 6: Final answer
    x = 96,137.22

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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.