Home / 124,134.90-186,203.43-35,388.30

Finding the Fourth Proportional to 124,134.90, 186,203.43 and 35,388.30

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Solution

The fourth proportional to 124,134.90, 186,203.43 and 35,388.30 is: 53,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,134.90 : 186,203.43 = 35,388.30 : x
  2. Step 2: Convert to fraction form
    124,134.90/186,203.43 = 35,388.30/x
  3. Step 3: Cross multiply
    124,134.90x = 186,203.43 × 35,388.30
  4. Step 4: Simplify right side
    124,134.90x = 6,589,422,841.87
  5. Step 5: Solve for x
    x = 6,589,422,841.87/124,134.90
  6. Step 6: Final answer
    x = 53,082.76

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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.