Home / 220,204.80-303,872.40-124,712.19

Finding the Fourth Proportional to 220,204.80, 303,872.40 and 124,712.19

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Solution

The fourth proportional to 220,204.80, 303,872.40 and 124,712.19 is: 172,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,204.80 : 303,872.40 = 124,712.19 : x
  2. Step 2: Convert to fraction form
    220,204.80/303,872.40 = 124,712.19/x
  3. Step 3: Cross multiply
    220,204.80x = 303,872.40 × 124,712.19
  4. Step 4: Simplify right side
    220,204.80x = 37,896,592,484.56
  5. Step 5: Solve for x
    x = 37,896,592,484.56/220,204.80
  6. Step 6: Final answer
    x = 172,097.03

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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.