Home / 220,140.12-303,796.62-124,644.12

Finding the Fourth Proportional to 220,140.12, 303,796.62 and 124,644.12

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Solution

The fourth proportional to 220,140.12, 303,796.62 and 124,644.12 is: 172,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140.12 : 303,796.62 = 124,644.12 : x
  2. Step 2: Convert to fraction form
    220,140.12/303,796.62 = 124,644.12/x
  3. Step 3: Cross multiply
    220,140.12x = 303,796.62 × 124,644.12
  4. Step 4: Simplify right side
    220,140.12x = 37,866,462,358.87
  5. Step 5: Solve for x
    x = 37,866,462,358.87/220,140.12
  6. Step 6: Final answer
    x = 172,010.73

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1.5x scale

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.