Home / 454,100.80-681,151.20-117,140.80

Finding the Fourth Proportional to 454,100.80, 681,151.20 and 117,140.80

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Solution

The fourth proportional to 454,100.80, 681,151.20 and 117,140.80 is: 175,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,100.80 : 681,151.20 = 117,140.80 : x
  2. Step 2: Convert to fraction form
    454,100.80/681,151.20 = 117,140.80/x
  3. Step 3: Cross multiply
    454,100.80x = 681,151.20 × 117,140.80
  4. Step 4: Simplify right side
    454,100.80x = 79,790,596,488.96
  5. Step 5: Solve for x
    x = 79,790,596,488.96/454,100.80
  6. Step 6: Final answer
    x = 175,711.20

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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.