Home / 126,965-175,250.22-73,285.04

Finding the Fourth Proportional to 126,965, 175,250.22 and 73,285.04

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Solution

The fourth proportional to 126,965, 175,250.22 and 73,285.04 is: 101,155.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,965 : 175,250.22 = 73,285.04 : x
  2. Step 2: Convert to fraction form
    126,965/175,250.22 = 73,285.04/x
  3. Step 3: Cross multiply
    126,965x = 175,250.22 × 73,285.04
  4. Step 4: Simplify right side
    126,965x = 12,843,219,382.71
  5. Step 5: Solve for x
    x = 12,843,219,382.71/126,965
  6. Step 6: Final answer
    x = 101,155.59

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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.