Home / 105,514.40-158,175.68-38,908.16

Finding the Fourth Proportional to 105,514.40, 158,175.68 and 38,908.16

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Solution

The fourth proportional to 105,514.40, 158,175.68 and 38,908.16 is: 58,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,514.40 : 158,175.68 = 38,908.16 : x
  2. Step 2: Convert to fraction form
    105,514.40/158,175.68 = 38,908.16/x
  3. Step 3: Cross multiply
    105,514.40x = 158,175.68 × 38,908.16
  4. Step 4: Simplify right side
    105,514.40x = 6,154,324,665.55
  5. Step 5: Solve for x
    x = 6,154,324,665.55/105,514.40
  6. Step 6: Final answer
    x = 58,326.87

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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.