Home / 126,107.60-174,029.65-69,521.00

Finding the Fourth Proportional to 126,107.60, 174,029.65 and 69,521.00

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Solution

The fourth proportional to 126,107.60, 174,029.65 and 69,521.00 is: 95,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.60 : 174,029.65 = 69,521.00 : x
  2. Step 2: Convert to fraction form
    126,107.60/174,029.65 = 69,521.00/x
  3. Step 3: Cross multiply
    126,107.60x = 174,029.65 × 69,521.00
  4. Step 4: Simplify right side
    126,107.60x = 12,098,714,253.70
  5. Step 5: Solve for x
    x = 12,098,714,253.70/126,107.60
  6. Step 6: Final answer
    x = 95,939.62

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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.