Home / 126,107.47-174,029.48-69,520.87

Finding the Fourth Proportional to 126,107.47, 174,029.48 and 69,520.87

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Solution

The fourth proportional to 126,107.47, 174,029.48 and 69,520.87 is: 95,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.47 : 174,029.48 = 69,520.87 : x
  2. Step 2: Convert to fraction form
    126,107.47/174,029.48 = 69,520.87/x
  3. Step 3: Cross multiply
    126,107.47x = 174,029.48 × 69,520.87
  4. Step 4: Simplify right side
    126,107.47x = 12,098,680,855.25
  5. Step 5: Solve for x
    x = 12,098,680,855.25/126,107.47
  6. Step 6: Final answer
    x = 95,939.45

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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.