Home / 146,005.52-218,974.80-40,831.92

Finding the Fourth Proportional to 146,005.52, 218,974.80 and 40,831.92

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Solution

The fourth proportional to 146,005.52, 218,974.80 and 40,831.92 is: 61,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,005.52 : 218,974.80 = 40,831.92 : x
  2. Step 2: Convert to fraction form
    146,005.52/218,974.80 = 40,831.92/x
  3. Step 3: Cross multiply
    146,005.52x = 218,974.80 × 40,831.92
  4. Step 4: Simplify right side
    146,005.52x = 8,941,161,515.62
  5. Step 5: Solve for x
    x = 8,941,161,515.62/146,005.52
  6. Step 6: Final answer
    x = 61,238.52

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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.