Home / 198,155.28-297,644.04-160,247.28

Finding the Fourth Proportional to 198,155.28, 297,644.04 and 160,247.28

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Solution

The fourth proportional to 198,155.28, 297,644.04 and 160,247.28 is: 240,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,155.28 : 297,644.04 = 160,247.28 : x
  2. Step 2: Convert to fraction form
    198,155.28/297,644.04 = 160,247.28/x
  3. Step 3: Cross multiply
    198,155.28x = 297,644.04 × 160,247.28
  4. Step 4: Simplify right side
    198,155.28x = 47,696,647,818.21
  5. Step 5: Solve for x
    x = 47,696,647,818.21/198,155.28
  6. Step 6: Final answer
    x = 240,703.39

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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.