Home / 373,898.12-515,976.76-204,132.24

Finding the Fourth Proportional to 373,898.12, 515,976.76 and 204,132.24

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Solution

The fourth proportional to 373,898.12, 515,976.76 and 204,132.24 is: 281,701.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,898.12 : 515,976.76 = 204,132.24 : x
  2. Step 2: Convert to fraction form
    373,898.12/515,976.76 = 204,132.24/x
  3. Step 3: Cross multiply
    373,898.12x = 515,976.76 × 204,132.24
  4. Step 4: Simplify right side
    373,898.12x = 105,327,492,061.91
  5. Step 5: Solve for x
    x = 105,327,492,061.91/373,898.12
  6. Step 6: Final answer
    x = 281,701.05

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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.