Home / 104,930.14-144,799.38-57,182.48

Finding the Fourth Proportional to 104,930.14, 144,799.38 and 57,182.48

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Solution

The fourth proportional to 104,930.14, 144,799.38 and 57,182.48 is: 78,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.14 : 144,799.38 = 57,182.48 : x
  2. Step 2: Convert to fraction form
    104,930.14/144,799.38 = 57,182.48/x
  3. Step 3: Cross multiply
    104,930.14x = 144,799.38 × 57,182.48
  4. Step 4: Simplify right side
    104,930.14x = 8,279,987,650.86
  5. Step 5: Solve for x
    x = 8,279,987,650.86/104,930.14
  6. Step 6: Final answer
    x = 78,909.53

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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.