Home / 220,129.33-303,785.70-124,633.98

Finding the Fourth Proportional to 220,129.33, 303,785.70 and 124,633.98

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Solution

The fourth proportional to 220,129.33, 303,785.70 and 124,633.98 is: 171,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,129.33 : 303,785.70 = 124,633.98 : x
  2. Step 2: Convert to fraction form
    220,129.33/303,785.70 = 124,633.98/x
  3. Step 3: Cross multiply
    220,129.33x = 303,785.70 × 124,633.98
  4. Step 4: Simplify right side
    220,129.33x = 37,862,020,858.09
  5. Step 5: Solve for x
    x = 37,862,020,858.09/220,129.33
  6. Step 6: Final answer
    x = 171,998.98

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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.