Home / 126,737.87-174,937.12-73,058.56

Finding the Fourth Proportional to 126,737.87, 174,937.12 and 73,058.56

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Solution

The fourth proportional to 126,737.87, 174,937.12 and 73,058.56 is: 100,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,737.87 : 174,937.12 = 73,058.56 : x
  2. Step 2: Convert to fraction form
    126,737.87/174,937.12 = 73,058.56/x
  3. Step 3: Cross multiply
    126,737.87x = 174,937.12 × 73,058.56
  4. Step 4: Simplify right side
    126,737.87x = 12,780,653,457.76
  5. Step 5: Solve for x
    x = 12,780,653,457.76/126,737.87
  6. Step 6: Final answer
    x = 100,843.21

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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.