Home / 162,761.05-224,613.21-91,142.29

Finding the Fourth Proportional to 162,761.05, 224,613.21 and 91,142.29

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Solution

The fourth proportional to 162,761.05, 224,613.21 and 91,142.29 is: 125,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,761.05 : 224,613.21 = 91,142.29 : x
  2. Step 2: Convert to fraction form
    162,761.05/224,613.21 = 91,142.29/x
  3. Step 3: Cross multiply
    162,761.05x = 224,613.21 × 91,142.29
  4. Step 4: Simplify right side
    162,761.05x = 20,471,762,323.65
  5. Step 5: Solve for x
    x = 20,471,762,323.65/162,761.05
  6. Step 6: Final answer
    x = 125,778.02

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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.