Home / 200,329.20-299,903.31-147,972.42

Finding the Fourth Proportional to 200,329.20, 299,903.31 and 147,972.42

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Solution

The fourth proportional to 200,329.20, 299,903.31 and 147,972.42 is: 221,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,329.20 : 299,903.31 = 147,972.42 : x
  2. Step 2: Convert to fraction form
    200,329.20/299,903.31 = 147,972.42/x
  3. Step 3: Cross multiply
    200,329.20x = 299,903.31 × 147,972.42
  4. Step 4: Simplify right side
    200,329.20x = 44,377,418,546.71
  5. Step 5: Solve for x
    x = 44,377,418,546.71/200,329.20
  6. Step 6: Final answer
    x = 221,522.47

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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.