Home / 153,143.53-229,726.25-40,823.17

Finding the Fourth Proportional to 153,143.53, 229,726.25 and 40,823.17

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Solution

The fourth proportional to 153,143.53, 229,726.25 and 40,823.17 is: 61,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,143.53 : 229,726.25 = 40,823.17 : x
  2. Step 2: Convert to fraction form
    153,143.53/229,726.25 = 40,823.17/x
  3. Step 3: Cross multiply
    153,143.53x = 229,726.25 × 40,823.17
  4. Step 4: Simplify right side
    153,143.53x = 9,378,153,757.21
  5. Step 5: Solve for x
    x = 9,378,153,757.21/153,143.53
  6. Step 6: Final answer
    x = 61,237.68

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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.