Home / 153,834.17-230,740.31-41,520.78

Finding the Fourth Proportional to 153,834.17, 230,740.31 and 41,520.78

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Solution

The fourth proportional to 153,834.17, 230,740.31 and 41,520.78 is: 62,278.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,834.17 : 230,740.31 = 41,520.78 : x
  2. Step 2: Convert to fraction form
    153,834.17/230,740.31 = 41,520.78/x
  3. Step 3: Cross multiply
    153,834.17x = 230,740.31 × 41,520.78
  4. Step 4: Simplify right side
    153,834.17x = 9,580,517,648.64
  5. Step 5: Solve for x
    x = 9,580,517,648.64/153,834.17
  6. Step 6: Final answer
    x = 62,278.22

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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.