Home / 156,067.60-233,705.40-85,867.60

Finding the Fourth Proportional to 156,067.60, 233,705.40 and 85,867.60

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Solution

The fourth proportional to 156,067.60, 233,705.40 and 85,867.60 is: 128,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,067.60 : 233,705.40 = 85,867.60 : x
  2. Step 2: Convert to fraction form
    156,067.60/233,705.40 = 85,867.60/x
  3. Step 3: Cross multiply
    156,067.60x = 233,705.40 × 85,867.60
  4. Step 4: Simplify right side
    156,067.60x = 20,067,721,805.04
  5. Step 5: Solve for x
    x = 20,067,721,805.04/156,067.60
  6. Step 6: Final answer
    x = 128,583.52

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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.