Home / 117,948.80-176,923.20-112,505.60

Finding the Fourth Proportional to 117,948.80, 176,923.20 and 112,505.60

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Solution

The fourth proportional to 117,948.80, 176,923.20 and 112,505.60 is: 168,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948.80 : 176,923.20 = 112,505.60 : x
  2. Step 2: Convert to fraction form
    117,948.80/176,923.20 = 112,505.60/x
  3. Step 3: Cross multiply
    117,948.80x = 176,923.20 × 112,505.60
  4. Step 4: Simplify right side
    117,948.80x = 19,904,850,769.92
  5. Step 5: Solve for x
    x = 19,904,850,769.92/117,948.80
  6. Step 6: Final answer
    x = 168,758.40

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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.