Home / 185,948.70-278,920.59-45,708.54

Finding the Fourth Proportional to 185,948.70, 278,920.59 and 45,708.54

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Solution

The fourth proportional to 185,948.70, 278,920.59 and 45,708.54 is: 68,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948.70 : 278,920.59 = 45,708.54 : x
  2. Step 2: Convert to fraction form
    185,948.70/278,920.59 = 45,708.54/x
  3. Step 3: Cross multiply
    185,948.70x = 278,920.59 × 45,708.54
  4. Step 4: Simplify right side
    185,948.70x = 12,749,052,944.84
  5. Step 5: Solve for x
    x = 12,749,052,944.84/185,948.70
  6. Step 6: Final answer
    x = 68,562.21

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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.