Home / 188,211.14-282,067.52-138,056.40

Finding the Fourth Proportional to 188,211.14, 282,067.52 and 138,056.40

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Solution

The fourth proportional to 188,211.14, 282,067.52 and 138,056.40 is: 206,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,211.14 : 282,067.52 = 138,056.40 : x
  2. Step 2: Convert to fraction form
    188,211.14/282,067.52 = 138,056.40/x
  3. Step 3: Cross multiply
    188,211.14x = 282,067.52 × 138,056.40
  4. Step 4: Simplify right side
    188,211.14x = 38,941,225,677.85
  5. Step 5: Solve for x
    x = 38,941,225,677.85/188,211.14
  6. Step 6: Final answer
    x = 206,901.82

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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.