Home / 279,441.26-385,630.74-152,116.82

Finding the Fourth Proportional to 279,441.26, 385,630.74 and 152,116.82

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Solution

The fourth proportional to 279,441.26, 385,630.74 and 152,116.82 is: 209,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,441.26 : 385,630.74 = 152,116.82 : x
  2. Step 2: Convert to fraction form
    279,441.26/385,630.74 = 152,116.82/x
  3. Step 3: Cross multiply
    279,441.26x = 385,630.74 × 152,116.82
  4. Step 4: Simplify right side
    279,441.26x = 58,660,921,863.05
  5. Step 5: Solve for x
    x = 58,660,921,863.05/279,441.26
  6. Step 6: Final answer
    x = 209,922.19

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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.