Home / 117,730.20-176,595.30-38,856.60

Finding the Fourth Proportional to 117,730.20, 176,595.30 and 38,856.60

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Solution

The fourth proportional to 117,730.20, 176,595.30 and 38,856.60 is: 58,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,730.20 : 176,595.30 = 38,856.60 : x
  2. Step 2: Convert to fraction form
    117,730.20/176,595.30 = 38,856.60/x
  3. Step 3: Cross multiply
    117,730.20x = 176,595.30 × 38,856.60
  4. Step 4: Simplify right side
    117,730.20x = 6,861,892,933.98
  5. Step 5: Solve for x
    x = 6,861,892,933.98/117,730.20
  6. Step 6: Final answer
    x = 58,284.90

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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.