Home / 153,011.96-229,517.98-47,831.88

Finding the Fourth Proportional to 153,011.96, 229,517.98 and 47,831.88

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Solution

The fourth proportional to 153,011.96, 229,517.98 and 47,831.88 is: 71,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,011.96 : 229,517.98 = 47,831.88 : x
  2. Step 2: Convert to fraction form
    153,011.96/229,517.98 = 47,831.88/x
  3. Step 3: Cross multiply
    153,011.96x = 229,517.98 × 47,831.88
  4. Step 4: Simplify right side
    153,011.96x = 10,978,276,477.20
  5. Step 5: Solve for x
    x = 10,978,276,477.20/153,011.96
  6. Step 6: Final answer
    x = 71,747.83

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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.