Home / 126,872.40-175,076.36-69,500.24

Finding the Fourth Proportional to 126,872.40, 175,076.36 and 69,500.24

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Solution

The fourth proportional to 126,872.40, 175,076.36 and 69,500.24 is: 95,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.40 : 175,076.36 = 69,500.24 : x
  2. Step 2: Convert to fraction form
    126,872.40/175,076.36 = 69,500.24/x
  3. Step 3: Cross multiply
    126,872.40x = 175,076.36 × 69,500.24
  4. Step 4: Simplify right side
    126,872.40x = 12,167,849,038.33
  5. Step 5: Solve for x
    x = 12,167,849,038.33/126,872.40
  6. Step 6: Final answer
    x = 95,906.19

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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.