Home / 188,418.24-260,053.92-124,758.72

Finding the Fourth Proportional to 188,418.24, 260,053.92 and 124,758.72

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Solution

The fourth proportional to 188,418.24, 260,053.92 and 124,758.72 is: 172,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,418.24 : 260,053.92 = 124,758.72 : x
  2. Step 2: Convert to fraction form
    188,418.24/260,053.92 = 124,758.72/x
  3. Step 3: Cross multiply
    188,418.24x = 260,053.92 × 124,758.72
  4. Step 4: Simplify right side
    188,418.24x = 32,443,994,190.18
  5. Step 5: Solve for x
    x = 32,443,994,190.18/188,418.24
  6. Step 6: Final answer
    x = 172,191.37

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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.