Home / 140,038.54-193,198.17-86,230.24

Finding the Fourth Proportional to 140,038.54, 193,198.17 and 86,230.24

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Solution

The fourth proportional to 140,038.54, 193,198.17 and 86,230.24 is: 118,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,038.54 : 193,198.17 = 86,230.24 : x
  2. Step 2: Convert to fraction form
    140,038.54/193,198.17 = 86,230.24/x
  3. Step 3: Cross multiply
    140,038.54x = 193,198.17 × 86,230.24
  4. Step 4: Simplify right side
    140,038.54x = 16,659,524,566.66
  5. Step 5: Solve for x
    x = 16,659,524,566.66/140,038.54
  6. Step 6: Final answer
    x = 118,963.85

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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.