Home / 300,327.45-450,358.34-89,926.17

Finding the Fourth Proportional to 300,327.45, 450,358.34 and 89,926.17

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Solution

The fourth proportional to 300,327.45, 450,358.34 and 89,926.17 is: 134,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,327.45 : 450,358.34 = 89,926.17 : x
  2. Step 2: Convert to fraction form
    300,327.45/450,358.34 = 89,926.17/x
  3. Step 3: Cross multiply
    300,327.45x = 450,358.34 × 89,926.17
  4. Step 4: Simplify right side
    300,327.45x = 40,499,000,194.13
  5. Step 5: Solve for x
    x = 40,499,000,194.13/300,327.45
  6. Step 6: Final answer
    x = 134,849.48

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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.