Home / 130,470.43-195,717.60-40,513.66

Finding the Fourth Proportional to 130,470.43, 195,717.60 and 40,513.66

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Solution

The fourth proportional to 130,470.43, 195,717.60 and 40,513.66 is: 60,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,470.43 : 195,717.60 = 40,513.66 : x
  2. Step 2: Convert to fraction form
    130,470.43/195,717.60 = 40,513.66/x
  3. Step 3: Cross multiply
    130,470.43x = 195,717.60 × 40,513.66
  4. Step 4: Simplify right side
    130,470.43x = 7,929,236,302.42
  5. Step 5: Solve for x
    x = 7,929,236,302.42/130,470.43
  6. Step 6: Final answer
    x = 60,774.20

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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.