Home / 140,832.60-194,347.86-77,170.22

Finding the Fourth Proportional to 140,832.60, 194,347.86 and 77,170.22

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Solution

The fourth proportional to 140,832.60, 194,347.86 and 77,170.22 is: 106,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832.60 : 194,347.86 = 77,170.22 : x
  2. Step 2: Convert to fraction form
    140,832.60/194,347.86 = 77,170.22/x
  3. Step 3: Cross multiply
    140,832.60x = 194,347.86 × 77,170.22
  4. Step 4: Simplify right side
    140,832.60x = 14,997,867,112.73
  5. Step 5: Solve for x
    x = 14,997,867,112.73/140,832.60
  6. Step 6: Final answer
    x = 106,494.29

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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.