Home / 206,397.28-309,594.57-56,625.85

Finding the Fourth Proportional to 206,397.28, 309,594.57 and 56,625.85

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Solution

The fourth proportional to 206,397.28, 309,594.57 and 56,625.85 is: 84,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,397.28 : 309,594.57 = 56,625.85 : x
  2. Step 2: Convert to fraction form
    206,397.28/309,594.57 = 56,625.85/x
  3. Step 3: Cross multiply
    206,397.28x = 309,594.57 × 56,625.85
  4. Step 4: Simplify right side
    206,397.28x = 17,531,055,681.63
  5. Step 5: Solve for x
    x = 17,531,055,681.63/206,397.28
  6. Step 6: Final answer
    x = 84,938.40

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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.