Home / 140,969.28-194,546.48-93,138.76

Finding the Fourth Proportional to 140,969.28, 194,546.48 and 93,138.76

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Solution

The fourth proportional to 140,969.28, 194,546.48 and 93,138.76 is: 128,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,969.28 : 194,546.48 = 93,138.76 : x
  2. Step 2: Convert to fraction form
    140,969.28/194,546.48 = 93,138.76/x
  3. Step 3: Cross multiply
    140,969.28x = 194,546.48 × 93,138.76
  4. Step 4: Simplify right side
    140,969.28x = 18,119,817,909.56
  5. Step 5: Solve for x
    x = 18,119,817,909.56/140,969.28
  6. Step 6: Final answer
    x = 128,537.35

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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.