Home / 117,716.80-176,575.20-113,124.10

Finding the Fourth Proportional to 117,716.80, 176,575.20 and 113,124.10

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Solution

The fourth proportional to 117,716.80, 176,575.20 and 113,124.10 is: 169,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,716.80 : 176,575.20 = 113,124.10 : x
  2. Step 2: Convert to fraction form
    117,716.80/176,575.20 = 113,124.10/x
  3. Step 3: Cross multiply
    117,716.80x = 176,575.20 × 113,124.10
  4. Step 4: Simplify right side
    117,716.80x = 19,974,910,582.32
  5. Step 5: Solve for x
    x = 19,974,910,582.32/117,716.80
  6. Step 6: Final answer
    x = 169,686.15

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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.