Home / 155,512.52-233,272.38-55,679.60

Finding the Fourth Proportional to 155,512.52, 233,272.38 and 55,679.60

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Solution

The fourth proportional to 155,512.52, 233,272.38 and 55,679.60 is: 83,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.52 : 233,272.38 = 55,679.60 : x
  2. Step 2: Convert to fraction form
    155,512.52/233,272.38 = 55,679.60/x
  3. Step 3: Cross multiply
    155,512.52x = 233,272.38 × 55,679.60
  4. Step 4: Simplify right side
    155,512.52x = 12,988,512,809.45
  5. Step 5: Solve for x
    x = 12,988,512,809.45/155,512.52
  6. Step 6: Final answer
    x = 83,520.69

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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.