Home / 140,746.56-194,230.24-77,084.52

Finding the Fourth Proportional to 140,746.56, 194,230.24 and 77,084.52

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Solution

The fourth proportional to 140,746.56, 194,230.24 and 77,084.52 is: 106,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,746.56 : 194,230.24 = 77,084.52 : x
  2. Step 2: Convert to fraction form
    140,746.56/194,230.24 = 77,084.52/x
  3. Step 3: Cross multiply
    140,746.56x = 194,230.24 × 77,084.52
  4. Step 4: Simplify right side
    140,746.56x = 14,972,144,819.88
  5. Step 5: Solve for x
    x = 14,972,144,819.88/140,746.56
  6. Step 6: Final answer
    x = 106,376.63

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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.