Home / 220,193.16-303,856.39-124,700.54

Finding the Fourth Proportional to 220,193.16, 303,856.39 and 124,700.54

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Solution

The fourth proportional to 220,193.16, 303,856.39 and 124,700.54 is: 172,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.16 : 303,856.39 = 124,700.54 : x
  2. Step 2: Convert to fraction form
    220,193.16/303,856.39 = 124,700.54/x
  3. Step 3: Cross multiply
    220,193.16x = 303,856.39 × 124,700.54
  4. Step 4: Simplify right side
    220,193.16x = 37,891,056,830.97
  5. Step 5: Solve for x
    x = 37,891,056,830.97/220,193.16
  6. Step 6: Final answer
    x = 172,080.99

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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.