Home / 140,108.43-193,350.24-76,447.60

Finding the Fourth Proportional to 140,108.43, 193,350.24 and 76,447.60

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Solution

The fourth proportional to 140,108.43, 193,350.24 and 76,447.60 is: 105,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,108.43 : 193,350.24 = 76,447.60 : x
  2. Step 2: Convert to fraction form
    140,108.43/193,350.24 = 76,447.60/x
  3. Step 3: Cross multiply
    140,108.43x = 193,350.24 × 76,447.60
  4. Step 4: Simplify right side
    140,108.43x = 14,781,161,324.05
  5. Step 5: Solve for x
    x = 14,781,161,324.05/140,108.43
  6. Step 6: Final answer
    x = 105,498.01

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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.