Home / 188,444.40-260,067.84-107,897.28

Finding the Fourth Proportional to 188,444.40, 260,067.84 and 107,897.28

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Solution

The fourth proportional to 188,444.40, 260,067.84 and 107,897.28 is: 148,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,444.40 : 260,067.84 = 107,897.28 : x
  2. Step 2: Convert to fraction form
    188,444.40/260,067.84 = 107,897.28/x
  3. Step 3: Cross multiply
    188,444.40x = 260,067.84 × 107,897.28
  4. Step 4: Simplify right side
    188,444.40x = 28,060,612,551.48
  5. Step 5: Solve for x
    x = 28,060,612,551.48/188,444.40
  6. Step 6: Final answer
    x = 148,906.59

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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.