Home / 147,006.10-220,181.10-113,617.90

Finding the Fourth Proportional to 147,006.10, 220,181.10 and 113,617.90

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Solution

The fourth proportional to 147,006.10, 220,181.10 and 113,617.90 is: 170,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,006.10 : 220,181.10 = 113,617.90 : x
  2. Step 2: Convert to fraction form
    147,006.10/220,181.10 = 113,617.90/x
  3. Step 3: Cross multiply
    147,006.10x = 220,181.10 × 113,617.90
  4. Step 4: Simplify right side
    147,006.10x = 25,016,514,201.69
  5. Step 5: Solve for x
    x = 25,016,514,201.69/147,006.10
  6. Step 6: Final answer
    x = 170,173.31

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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.