Home / 140,719.05-194,191.97-77,056.29

Finding the Fourth Proportional to 140,719.05, 194,191.97 and 77,056.29

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Solution

The fourth proportional to 140,719.05, 194,191.97 and 77,056.29 is: 106,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,719.05 : 194,191.97 = 77,056.29 : x
  2. Step 2: Convert to fraction form
    140,719.05/194,191.97 = 77,056.29/x
  3. Step 3: Cross multiply
    140,719.05x = 194,191.97 × 77,056.29
  4. Step 4: Simplify right side
    140,719.05x = 14,963,712,370.71
  5. Step 5: Solve for x
    x = 14,963,712,370.71/140,719.05
  6. Step 6: Final answer
    x = 106,337.50

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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.