Home / 165,934.60-248,901.90-55,126.60

Finding the Fourth Proportional to 165,934.60, 248,901.90 and 55,126.60

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Solution

The fourth proportional to 165,934.60, 248,901.90 and 55,126.60 is: 82,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.60 : 248,901.90 = 55,126.60 : x
  2. Step 2: Convert to fraction form
    165,934.60/248,901.90 = 55,126.60/x
  3. Step 3: Cross multiply
    165,934.60x = 248,901.90 × 55,126.60
  4. Step 4: Simplify right side
    165,934.60x = 13,721,115,480.54
  5. Step 5: Solve for x
    x = 13,721,115,480.54/165,934.60
  6. Step 6: Final answer
    x = 82,689.90

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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.