Home / 279,538.17-385,752.15-170,824.29

Finding the Fourth Proportional to 279,538.17, 385,752.15 and 170,824.29

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Solution

The fourth proportional to 279,538.17, 385,752.15 and 170,824.29 is: 235,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,538.17 : 385,752.15 = 170,824.29 : x
  2. Step 2: Convert to fraction form
    279,538.17/385,752.15 = 170,824.29/x
  3. Step 3: Cross multiply
    279,538.17x = 385,752.15 × 170,824.29
  4. Step 4: Simplify right side
    279,538.17x = 65,895,838,104.10
  5. Step 5: Solve for x
    x = 65,895,838,104.10/279,538.17
  6. Step 6: Final answer
    x = 235,731.09

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1.5x scale

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.