Home / 117,494.28-175,906.08-77,972.76

Finding the Fourth Proportional to 117,494.28, 175,906.08 and 77,972.76

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Solution

The fourth proportional to 117,494.28, 175,906.08 and 77,972.76 is: 116,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,494.28 : 175,906.08 = 77,972.76 : x
  2. Step 2: Convert to fraction form
    117,494.28/175,906.08 = 77,972.76/x
  3. Step 3: Cross multiply
    117,494.28x = 175,906.08 × 77,972.76
  4. Step 4: Simplify right side
    117,494.28x = 13,715,882,558.38
  5. Step 5: Solve for x
    x = 13,715,882,558.38/117,494.28
  6. Step 6: Final answer
    x = 116,736.60

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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.