Home / 384,099.12-575,749.68-159,581.70

Finding the Fourth Proportional to 384,099.12, 575,749.68 and 159,581.70

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Solution

The fourth proportional to 384,099.12, 575,749.68 and 159,581.70 is: 239,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,099.12 : 575,749.68 = 159,581.70 : x
  2. Step 2: Convert to fraction form
    384,099.12/575,749.68 = 159,581.70/x
  3. Step 3: Cross multiply
    384,099.12x = 575,749.68 × 159,581.70
  4. Step 4: Simplify right side
    384,099.12x = 91,879,112,708.86
  5. Step 5: Solve for x
    x = 91,879,112,708.86/384,099.12
  6. Step 6: Final answer
    x = 239,206.78

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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.