Home / 185,539.38-278,135.90-73,220.52

Finding the Fourth Proportional to 185,539.38, 278,135.90 and 73,220.52

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Solution

The fourth proportional to 185,539.38, 278,135.90 and 73,220.52 is: 109,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,539.38 : 278,135.90 = 73,220.52 : x
  2. Step 2: Convert to fraction form
    185,539.38/278,135.90 = 73,220.52/x
  3. Step 3: Cross multiply
    185,539.38x = 278,135.90 × 73,220.52
  4. Step 4: Simplify right side
    185,539.38x = 20,365,255,228.67
  5. Step 5: Solve for x
    x = 20,365,255,228.67/185,539.38
  6. Step 6: Final answer
    x = 109,762.44

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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.