Home / 279,538.30-385,752.32-170,824.42

Finding the Fourth Proportional to 279,538.30, 385,752.32 and 170,824.42

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Solution

The fourth proportional to 279,538.30, 385,752.32 and 170,824.42 is: 235,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,538.30 : 385,752.32 = 170,824.42 : x
  2. Step 2: Convert to fraction form
    279,538.30/385,752.32 = 170,824.42/x
  3. Step 3: Cross multiply
    279,538.30x = 385,752.32 × 170,824.42
  4. Step 4: Simplify right side
    279,538.30x = 65,895,916,327.65
  5. Step 5: Solve for x
    x = 65,895,916,327.65/279,538.30
  6. Step 6: Final answer
    x = 235,731.26

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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.