Home / 153,159.42-229,713.21-42,325.50

Finding the Fourth Proportional to 153,159.42, 229,713.21 and 42,325.50

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Solution

The fourth proportional to 153,159.42, 229,713.21 and 42,325.50 is: 63,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,159.42 : 229,713.21 = 42,325.50 : x
  2. Step 2: Convert to fraction form
    153,159.42/229,713.21 = 42,325.50/x
  3. Step 3: Cross multiply
    153,159.42x = 229,713.21 × 42,325.50
  4. Step 4: Simplify right side
    153,159.42x = 9,722,726,469.86
  5. Step 5: Solve for x
    x = 9,722,726,469.86/153,159.42
  6. Step 6: Final answer
    x = 63,481.09

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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.