Home / 155,012.40-232,517.76-49,831.68

Finding the Fourth Proportional to 155,012.40, 232,517.76 and 49,831.68

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Solution

The fourth proportional to 155,012.40, 232,517.76 and 49,831.68 is: 74,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,012.40 : 232,517.76 = 49,831.68 : x
  2. Step 2: Convert to fraction form
    155,012.40/232,517.76 = 49,831.68/x
  3. Step 3: Cross multiply
    155,012.40x = 232,517.76 × 49,831.68
  4. Step 4: Simplify right side
    155,012.40x = 11,586,750,610.64
  5. Step 5: Solve for x
    x = 11,586,750,610.64/155,012.40
  6. Step 6: Final answer
    x = 74,747.25

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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.