Home / 117,956.27-176,809.76-80,423.30

Finding the Fourth Proportional to 117,956.27, 176,809.76 and 80,423.30

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Solution

The fourth proportional to 117,956.27, 176,809.76 and 80,423.30 is: 120,549.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,956.27 : 176,809.76 = 80,423.30 : x
  2. Step 2: Convert to fraction form
    117,956.27/176,809.76 = 80,423.30/x
  3. Step 3: Cross multiply
    117,956.27x = 176,809.76 × 80,423.30
  4. Step 4: Simplify right side
    117,956.27x = 14,219,624,371.41
  5. Step 5: Solve for x
    x = 14,219,624,371.41/117,956.27
  6. Step 6: Final answer
    x = 120,549.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.