Home / 220,137.12-303,792.48-124,641.12

Finding the Fourth Proportional to 220,137.12, 303,792.48 and 124,641.12

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Solution

The fourth proportional to 220,137.12, 303,792.48 and 124,641.12 is: 172,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,137.12 : 303,792.48 = 124,641.12 : x
  2. Step 2: Convert to fraction form
    220,137.12/303,792.48 = 124,641.12/x
  3. Step 3: Cross multiply
    220,137.12x = 303,792.48 × 124,641.12
  4. Step 4: Simplify right side
    220,137.12x = 37,865,034,954.78
  5. Step 5: Solve for x
    x = 37,865,034,954.78/220,137.12
  6. Step 6: Final answer
    x = 172,006.59

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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.