Home / 106,763.20-160,148.16-36,641.60

Finding the Fourth Proportional to 106,763.20, 160,148.16 and 36,641.60

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Solution

The fourth proportional to 106,763.20, 160,148.16 and 36,641.60 is: 54,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,763.20 : 160,148.16 = 36,641.60 : x
  2. Step 2: Convert to fraction form
    106,763.20/160,148.16 = 36,641.60/x
  3. Step 3: Cross multiply
    106,763.20x = 160,148.16 × 36,641.60
  4. Step 4: Simplify right side
    106,763.20x = 5,868,084,819.46
  5. Step 5: Solve for x
    x = 5,868,084,819.46/106,763.20
  6. Step 6: Final answer
    x = 54,963.55

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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.