Home / 126,910.32-175,143.24-70,320.48

Finding the Fourth Proportional to 126,910.32, 175,143.24 and 70,320.48

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Solution

The fourth proportional to 126,910.32, 175,143.24 and 70,320.48 is: 97,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,910.32 : 175,143.24 = 70,320.48 : x
  2. Step 2: Convert to fraction form
    126,910.32/175,143.24 = 70,320.48/x
  3. Step 3: Cross multiply
    126,910.32x = 175,143.24 × 70,320.48
  4. Step 4: Simplify right side
    126,910.32x = 12,316,156,705.56
  5. Step 5: Solve for x
    x = 12,316,156,705.56/126,910.32
  6. Step 6: Final answer
    x = 97,046.14

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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.