Home / 220,193.30-303,856.60-124,700.69

Finding the Fourth Proportional to 220,193.30, 303,856.60 and 124,700.69

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Solution

The fourth proportional to 220,193.30, 303,856.60 and 124,700.69 is: 172,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193.30 : 303,856.60 = 124,700.69 : x
  2. Step 2: Convert to fraction form
    220,193.30/303,856.60 = 124,700.69/x
  3. Step 3: Cross multiply
    220,193.30x = 303,856.60 × 124,700.69
  4. Step 4: Simplify right side
    220,193.30x = 37,891,127,681.05
  5. Step 5: Solve for x
    x = 37,891,127,681.05/220,193.30
  6. Step 6: Final answer
    x = 172,081.20

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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.