Home / 220,425.22-303,646.89-159,817.78

Finding the Fourth Proportional to 220,425.22, 303,646.89 and 159,817.78

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Solution

The fourth proportional to 220,425.22, 303,646.89 and 159,817.78 is: 220,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,425.22 : 303,646.89 = 159,817.78 : x
  2. Step 2: Convert to fraction form
    220,425.22/303,646.89 = 159,817.78/x
  3. Step 3: Cross multiply
    220,425.22x = 303,646.89 × 159,817.78
  4. Step 4: Simplify right side
    220,425.22x = 48,528,171,863.70
  5. Step 5: Solve for x
    x = 48,528,171,863.70/220,425.22
  6. Step 6: Final answer
    x = 220,157.08

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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.