Home / 372,630.68-558,955.18-135,973.28

Finding the Fourth Proportional to 372,630.68, 558,955.18 and 135,973.28

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Solution

The fourth proportional to 372,630.68, 558,955.18 and 135,973.28 is: 203,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,630.68 : 558,955.18 = 135,973.28 : x
  2. Step 2: Convert to fraction form
    372,630.68/558,955.18 = 135,973.28/x
  3. Step 3: Cross multiply
    372,630.68x = 558,955.18 × 135,973.28
  4. Step 4: Simplify right side
    372,630.68x = 76,002,970,764.95
  5. Step 5: Solve for x
    x = 76,002,970,764.95/372,630.68
  6. Step 6: Final answer
    x = 203,963.27

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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.