Home / 153,136.64-229,686.68-40,825.28

Finding the Fourth Proportional to 153,136.64, 229,686.68 and 40,825.28

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Solution

The fourth proportional to 153,136.64, 229,686.68 and 40,825.28 is: 61,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,136.64 : 229,686.68 = 40,825.28 : x
  2. Step 2: Convert to fraction form
    153,136.64/229,686.68 = 40,825.28/x
  3. Step 3: Cross multiply
    153,136.64x = 229,686.68 × 40,825.28
  4. Step 4: Simplify right side
    153,136.64x = 9,377,023,023.27
  5. Step 5: Solve for x
    x = 9,377,023,023.27/153,136.64
  6. Step 6: Final answer
    x = 61,233.05

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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.