Home / 140,938.32-194,493.40-77,275.96

Finding the Fourth Proportional to 140,938.32, 194,493.40 and 77,275.96

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Solution

The fourth proportional to 140,938.32, 194,493.40 and 77,275.96 is: 106,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,938.32 : 194,493.40 = 77,275.96 : x
  2. Step 2: Convert to fraction form
    140,938.32/194,493.40 = 77,275.96/x
  3. Step 3: Cross multiply
    140,938.32x = 194,493.40 × 77,275.96
  4. Step 4: Simplify right side
    140,938.32x = 15,029,664,198.66
  5. Step 5: Solve for x
    x = 15,029,664,198.66/140,938.32
  6. Step 6: Final answer
    x = 106,640.01

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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.