Home / 113,450.24-156,550.02-65,718.92

Finding the Fourth Proportional to 113,450.24, 156,550.02 and 65,718.92

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Solution

The fourth proportional to 113,450.24, 156,550.02 and 65,718.92 is: 90,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,450.24 : 156,550.02 = 65,718.92 : x
  2. Step 2: Convert to fraction form
    113,450.24/156,550.02 = 65,718.92/x
  3. Step 3: Cross multiply
    113,450.24x = 156,550.02 × 65,718.92
  4. Step 4: Simplify right side
    113,450.24x = 10,288,298,240.38
  5. Step 5: Solve for x
    x = 10,288,298,240.38/113,450.24
  6. Step 6: Final answer
    x = 90,685.56

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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.