Home / 104,221.38-156,254.31-48,804.42

Finding the Fourth Proportional to 104,221.38, 156,254.31 and 48,804.42

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Solution

The fourth proportional to 104,221.38, 156,254.31 and 48,804.42 is: 73,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,221.38 : 156,254.31 = 48,804.42 : x
  2. Step 2: Convert to fraction form
    104,221.38/156,254.31 = 48,804.42/x
  3. Step 3: Cross multiply
    104,221.38x = 156,254.31 × 48,804.42
  4. Step 4: Simplify right side
    104,221.38x = 7,625,900,972.05
  5. Step 5: Solve for x
    x = 7,625,900,972.05/104,221.38
  6. Step 6: Final answer
    x = 73,170.22

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1.5x scale

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.