Home / 260,577.60-391,085.10-127,571.55

Finding the Fourth Proportional to 260,577.60, 391,085.10 and 127,571.55

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Solution

The fourth proportional to 260,577.60, 391,085.10 and 127,571.55 is: 191,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,577.60 : 391,085.10 = 127,571.55 : x
  2. Step 2: Convert to fraction form
    260,577.60/391,085.10 = 127,571.55/x
  3. Step 3: Cross multiply
    260,577.60x = 391,085.10 × 127,571.55
  4. Step 4: Simplify right side
    260,577.60x = 49,891,332,388.91
  5. Step 5: Solve for x
    x = 49,891,332,388.91/260,577.60
  6. Step 6: Final answer
    x = 191,464.39

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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.