Home / 175,452.40-263,186.70-85,577.77

Finding the Fourth Proportional to 175,452.40, 263,186.70 and 85,577.77

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Solution

The fourth proportional to 175,452.40, 263,186.70 and 85,577.77 is: 128,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,452.40 : 263,186.70 = 85,577.77 : x
  2. Step 2: Convert to fraction form
    175,452.40/263,186.70 = 85,577.77/x
  3. Step 3: Cross multiply
    175,452.40x = 263,186.70 × 85,577.77
  4. Step 4: Simplify right side
    175,452.40x = 22,522,930,879.66
  5. Step 5: Solve for x
    x = 22,522,930,879.66/175,452.40
  6. Step 6: Final answer
    x = 128,370.61

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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.