Home / 140,427.96-193,793.64-76,765.72

Finding the Fourth Proportional to 140,427.96, 193,793.64 and 76,765.72

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Solution

The fourth proportional to 140,427.96, 193,793.64 and 76,765.72 is: 105,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,427.96 : 193,793.64 = 76,765.72 : x
  2. Step 2: Convert to fraction form
    140,427.96/193,793.64 = 76,765.72/x
  3. Step 3: Cross multiply
    140,427.96x = 193,793.64 × 76,765.72
  4. Step 4: Simplify right side
    140,427.96x = 14,876,708,306.02
  5. Step 5: Solve for x
    x = 14,876,708,306.02/140,427.96
  6. Step 6: Final answer
    x = 105,938.36

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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.