Home / 153,288.78-229,932.75-48,115.62

Finding the Fourth Proportional to 153,288.78, 229,932.75 and 48,115.62

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Solution

The fourth proportional to 153,288.78, 229,932.75 and 48,115.62 is: 72,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,288.78 : 229,932.75 = 48,115.62 : x
  2. Step 2: Convert to fraction form
    153,288.78/229,932.75 = 48,115.62/x
  3. Step 3: Cross multiply
    153,288.78x = 229,932.75 × 48,115.62
  4. Step 4: Simplify right side
    153,288.78x = 11,063,356,824.56
  5. Step 5: Solve for x
    x = 11,063,356,824.56/153,288.78
  6. Step 6: Final answer
    x = 72,173.30

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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.