Home / 117,730.20-176,595.30-51,245.40

Finding the Fourth Proportional to 117,730.20, 176,595.30 and 51,245.40

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Solution

The fourth proportional to 117,730.20, 176,595.30 and 51,245.40 is: 76,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,730.20 : 176,595.30 = 51,245.40 : x
  2. Step 2: Convert to fraction form
    117,730.20/176,595.30 = 51,245.40/x
  3. Step 3: Cross multiply
    117,730.20x = 176,595.30 × 51,245.40
  4. Step 4: Simplify right side
    117,730.20x = 9,049,696,786.62
  5. Step 5: Solve for x
    x = 9,049,696,786.62/117,730.20
  6. Step 6: Final answer
    x = 76,868.10

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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.