Home / 373,432.93-515,335.10-212,287.95

Finding the Fourth Proportional to 373,432.93, 515,335.10 and 212,287.95

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Solution

The fourth proportional to 373,432.93, 515,335.10 and 212,287.95 is: 292,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,432.93 : 515,335.10 = 212,287.95 : x
  2. Step 2: Convert to fraction form
    373,432.93/515,335.10 = 212,287.95/x
  3. Step 3: Cross multiply
    373,432.93x = 515,335.10 × 212,287.95
  4. Step 4: Simplify right side
    373,432.93x = 109,399,433,761.10
  5. Step 5: Solve for x
    x = 109,399,433,761.10/373,432.93
  6. Step 6: Final answer
    x = 292,956.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.