Home / 126,838.86-175,037.19-73,123.62

Finding the Fourth Proportional to 126,838.86, 175,037.19 and 73,123.62

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Solution

The fourth proportional to 126,838.86, 175,037.19 and 73,123.62 is: 100,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,838.86 : 175,037.19 = 73,123.62 : x
  2. Step 2: Convert to fraction form
    126,838.86/175,037.19 = 73,123.62/x
  3. Step 3: Cross multiply
    126,838.86x = 175,037.19 × 73,123.62
  4. Step 4: Simplify right side
    126,838.86x = 12,799,352,967.43
  5. Step 5: Solve for x
    x = 12,799,352,967.43/126,838.86
  6. Step 6: Final answer
    x = 100,910.34

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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.