Home / 130,471.43-195,719.10-40,514.66

Finding the Fourth Proportional to 130,471.43, 195,719.10 and 40,514.66

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Solution

The fourth proportional to 130,471.43, 195,719.10 and 40,514.66 is: 60,775.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,471.43 : 195,719.10 = 40,514.66 : x
  2. Step 2: Convert to fraction form
    130,471.43/195,719.10 = 40,514.66/x
  3. Step 3: Cross multiply
    130,471.43x = 195,719.10 × 40,514.66
  4. Step 4: Simplify right side
    130,471.43x = 7,929,492,792.01
  5. Step 5: Solve for x
    x = 7,929,492,792.01/130,471.43
  6. Step 6: Final answer
    x = 60,775.70

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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.