Home / 382,023.91-572,248.45-223,772.59

Finding the Fourth Proportional to 382,023.91, 572,248.45 and 223,772.59

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Solution

The fourth proportional to 382,023.91, 572,248.45 and 223,772.59 is: 335,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,023.91 : 572,248.45 = 223,772.59 : x
  2. Step 2: Convert to fraction form
    382,023.91/572,248.45 = 223,772.59/x
  3. Step 3: Cross multiply
    382,023.91x = 572,248.45 × 223,772.59
  4. Step 4: Simplify right side
    382,023.91x = 128,053,517,779.99
  5. Step 5: Solve for x
    x = 128,053,517,779.99/382,023.91
  6. Step 6: Final answer
    x = 335,197.65

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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.