Home / 148,773.12-205,029.99-101,028.48

Finding the Fourth Proportional to 148,773.12, 205,029.99 and 101,028.48

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Solution

The fourth proportional to 148,773.12, 205,029.99 and 101,028.48 is: 139,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,773.12 : 205,029.99 = 101,028.48 : x
  2. Step 2: Convert to fraction form
    148,773.12/205,029.99 = 101,028.48/x
  3. Step 3: Cross multiply
    148,773.12x = 205,029.99 × 101,028.48
  4. Step 4: Simplify right side
    148,773.12x = 20,713,868,244.12
  5. Step 5: Solve for x
    x = 20,713,868,244.12/148,773.12
  6. Step 6: Final answer
    x = 139,231.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.