Home / 220,195.98-303,860.27-124,703.36

Finding the Fourth Proportional to 220,195.98, 303,860.27 and 124,703.36

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Solution

The fourth proportional to 220,195.98, 303,860.27 and 124,703.36 is: 172,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,195.98 : 303,860.27 = 124,703.36 : x
  2. Step 2: Convert to fraction form
    220,195.98/303,860.27 = 124,703.36/x
  3. Step 3: Cross multiply
    220,195.98x = 303,860.27 × 124,703.36
  4. Step 4: Simplify right side
    220,195.98x = 37,892,396,639.51
  5. Step 5: Solve for x
    x = 37,892,396,639.51/220,195.98
  6. Step 6: Final answer
    x = 172,084.87

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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.