Home / 272,919.40-409,233.30-95,432.20

Finding the Fourth Proportional to 272,919.40, 409,233.30 and 95,432.20

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Solution

The fourth proportional to 272,919.40, 409,233.30 and 95,432.20 is: 143,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,919.40 : 409,233.30 = 95,432.20 : x
  2. Step 2: Convert to fraction form
    272,919.40/409,233.30 = 95,432.20/x
  3. Step 3: Cross multiply
    272,919.40x = 409,233.30 × 95,432.20
  4. Step 4: Simplify right side
    272,919.40x = 39,054,034,132.26
  5. Step 5: Solve for x
    x = 39,054,034,132.26/272,919.40
  6. Step 6: Final answer
    x = 143,097.32

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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.