Home / 156,687.48-216,228.84-85,067.52

Finding the Fourth Proportional to 156,687.48, 216,228.84 and 85,067.52

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Solution

The fourth proportional to 156,687.48, 216,228.84 and 85,067.52 is: 117,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,687.48 : 216,228.84 = 85,067.52 : x
  2. Step 2: Convert to fraction form
    156,687.48/216,228.84 = 85,067.52/x
  3. Step 3: Cross multiply
    156,687.48x = 216,228.84 × 85,067.52
  4. Step 4: Simplify right side
    156,687.48x = 18,394,051,171.28
  5. Step 5: Solve for x
    x = 18,394,051,171.28/156,687.48
  6. Step 6: Final answer
    x = 117,393.24

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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.