Home / 317,103.20-474,992.40-148,767.20

Finding the Fourth Proportional to 317,103.20, 474,992.40 and 148,767.20

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Solution

The fourth proportional to 317,103.20, 474,992.40 and 148,767.20 is: 222,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.20 : 474,992.40 = 148,767.20 : x
  2. Step 2: Convert to fraction form
    317,103.20/474,992.40 = 148,767.20/x
  3. Step 3: Cross multiply
    317,103.20x = 474,992.40 × 148,767.20
  4. Step 4: Simplify right side
    317,103.20x = 70,663,289,369.28
  5. Step 5: Solve for x
    x = 70,663,289,369.28/317,103.20
  6. Step 6: Final answer
    x = 222,840.04

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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.