Home / 153,142.53-229,724.75-40,822.17

Finding the Fourth Proportional to 153,142.53, 229,724.75 and 40,822.17

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Solution

The fourth proportional to 153,142.53, 229,724.75 and 40,822.17 is: 61,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,142.53 : 229,724.75 = 40,822.17 : x
  2. Step 2: Convert to fraction form
    153,142.53/229,724.75 = 40,822.17/x
  3. Step 3: Cross multiply
    153,142.53x = 229,724.75 × 40,822.17
  4. Step 4: Simplify right side
    153,142.53x = 9,377,863,167.91
  5. Step 5: Solve for x
    x = 9,377,863,167.91/153,142.53
  6. Step 6: Final answer
    x = 61,236.18

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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.