Home / 105,613.38-158,420.16-25,650.90

Finding the Fourth Proportional to 105,613.38, 158,420.16 and 25,650.90

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Solution

The fourth proportional to 105,613.38, 158,420.16 and 25,650.90 is: 38,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,613.38 : 158,420.16 = 25,650.90 : x
  2. Step 2: Convert to fraction form
    105,613.38/158,420.16 = 25,650.90/x
  3. Step 3: Cross multiply
    105,613.38x = 158,420.16 × 25,650.90
  4. Step 4: Simplify right side
    105,613.38x = 4,063,619,682.14
  5. Step 5: Solve for x
    x = 4,063,619,682.14/105,613.38
  6. Step 6: Final answer
    x = 38,476.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.