Home / 117,954.20-176,931.30-112,122.20

Finding the Fourth Proportional to 117,954.20, 176,931.30 and 112,122.20

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Solution

The fourth proportional to 117,954.20, 176,931.30 and 112,122.20 is: 168,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,954.20 : 176,931.30 = 112,122.20 : x
  2. Step 2: Convert to fraction form
    117,954.20/176,931.30 = 112,122.20/x
  3. Step 3: Cross multiply
    117,954.20x = 176,931.30 × 112,122.20
  4. Step 4: Simplify right side
    117,954.20x = 19,837,926,604.86
  5. Step 5: Solve for x
    x = 19,837,926,604.86/117,954.20
  6. Step 6: Final answer
    x = 168,183.30

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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.