Home / 140,223.15-193,504.85-76,560.95

Finding the Fourth Proportional to 140,223.15, 193,504.85 and 76,560.95

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Solution

The fourth proportional to 140,223.15, 193,504.85 and 76,560.95 is: 105,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,223.15 : 193,504.85 = 76,560.95 : x
  2. Step 2: Convert to fraction form
    140,223.15/193,504.85 = 76,560.95/x
  3. Step 3: Cross multiply
    140,223.15x = 193,504.85 × 76,560.95
  4. Step 4: Simplify right side
    140,223.15x = 14,814,914,445.20
  5. Step 5: Solve for x
    x = 14,814,914,445.20/140,223.15
  6. Step 6: Final answer
    x = 105,652.42

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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.