Home / 126,248.66-174,226.80-69,663.68

Finding the Fourth Proportional to 126,248.66, 174,226.80 and 69,663.68

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Solution

The fourth proportional to 126,248.66, 174,226.80 and 69,663.68 is: 96,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.66 : 174,226.80 = 69,663.68 : x
  2. Step 2: Convert to fraction form
    126,248.66/174,226.80 = 69,663.68/x
  3. Step 3: Cross multiply
    126,248.66x = 174,226.80 × 69,663.68
  4. Step 4: Simplify right side
    126,248.66x = 12,137,280,042.62
  5. Step 5: Solve for x
    x = 12,137,280,042.62/126,248.66
  6. Step 6: Final answer
    x = 96,137.89

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1.5x scale

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.