Home / 224,480.20-336,465.96-74,685.28

Finding the Fourth Proportional to 224,480.20, 336,465.96 and 74,685.28

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Solution

The fourth proportional to 224,480.20, 336,465.96 and 74,685.28 is: 111,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,480.20 : 336,465.96 = 74,685.28 : x
  2. Step 2: Convert to fraction form
    224,480.20/336,465.96 = 74,685.28/x
  3. Step 3: Cross multiply
    224,480.20x = 336,465.96 × 74,685.28
  4. Step 4: Simplify right side
    224,480.20x = 25,129,054,433.07
  5. Step 5: Solve for x
    x = 25,129,054,433.07/224,480.20
  6. Step 6: Final answer
    x = 111,943.30

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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.