Home / 117,401.30-176,145.15-47,287.70

Finding the Fourth Proportional to 117,401.30, 176,145.15 and 47,287.70

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Solution

The fourth proportional to 117,401.30, 176,145.15 and 47,287.70 is: 70,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,401.30 : 176,145.15 = 47,287.70 : x
  2. Step 2: Convert to fraction form
    117,401.30/176,145.15 = 47,287.70/x
  3. Step 3: Cross multiply
    117,401.30x = 176,145.15 × 47,287.70
  4. Step 4: Simplify right side
    117,401.30x = 8,329,499,009.66
  5. Step 5: Solve for x
    x = 8,329,499,009.66/117,401.30
  6. Step 6: Final answer
    x = 70,948.95

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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.