Home / 147,788.10-221,682.15-103,464.90

Finding the Fourth Proportional to 147,788.10, 221,682.15 and 103,464.90

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Solution

The fourth proportional to 147,788.10, 221,682.15 and 103,464.90 is: 155,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,788.10 : 221,682.15 = 103,464.90 : x
  2. Step 2: Convert to fraction form
    147,788.10/221,682.15 = 103,464.90/x
  3. Step 3: Cross multiply
    147,788.10x = 221,682.15 × 103,464.90
  4. Step 4: Simplify right side
    147,788.10x = 22,936,321,481.54
  5. Step 5: Solve for x
    x = 22,936,321,481.54/147,788.10
  6. Step 6: Final answer
    x = 155,197.35

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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.