Home / 117,819.57-176,762.30-38,989.29

Finding the Fourth Proportional to 117,819.57, 176,762.30 and 38,989.29

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Solution

The fourth proportional to 117,819.57, 176,762.30 and 38,989.29 is: 58,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,819.57 : 176,762.30 = 38,989.29 : x
  2. Step 2: Convert to fraction form
    117,819.57/176,762.30 = 38,989.29/x
  3. Step 3: Cross multiply
    117,819.57x = 176,762.30 × 38,989.29
  4. Step 4: Simplify right side
    117,819.57x = 6,891,836,380.82
  5. Step 5: Solve for x
    x = 6,891,836,380.82/117,819.57
  6. Step 6: Final answer
    x = 58,494.84

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1.5x scale

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.