Home / 260,972.16-391,458.24-247,675.20

Finding the Fourth Proportional to 260,972.16, 391,458.24 and 247,675.20

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Solution

The fourth proportional to 260,972.16, 391,458.24 and 247,675.20 is: 371,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,972.16 : 391,458.24 = 247,675.20 : x
  2. Step 2: Convert to fraction form
    260,972.16/391,458.24 = 247,675.20/x
  3. Step 3: Cross multiply
    260,972.16x = 391,458.24 × 247,675.20
  4. Step 4: Simplify right side
    260,972.16x = 96,954,497,883.65
  5. Step 5: Solve for x
    x = 96,954,497,883.65/260,972.16
  6. Step 6: Final answer
    x = 371,512.80

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1.5x scale

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.