Home / 279,439.26-385,627.98-152,114.82

Finding the Fourth Proportional to 279,439.26, 385,627.98 and 152,114.82

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Solution

The fourth proportional to 279,439.26, 385,627.98 and 152,114.82 is: 209,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,439.26 : 385,627.98 = 152,114.82 : x
  2. Step 2: Convert to fraction form
    279,439.26/385,627.98 = 152,114.82/x
  3. Step 3: Cross multiply
    279,439.26x = 385,627.98 × 152,114.82
  4. Step 4: Simplify right side
    279,439.26x = 58,659,730,764.66
  5. Step 5: Solve for x
    x = 58,659,730,764.66/279,439.26
  6. Step 6: Final answer
    x = 209,919.43

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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.