Home / 220,066.20-329,807.70-194,988.60

Finding the Fourth Proportional to 220,066.20, 329,807.70 and 194,988.60

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Solution

The fourth proportional to 220,066.20, 329,807.70 and 194,988.60 is: 292,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,066.20 : 329,807.70 = 194,988.60 : x
  2. Step 2: Convert to fraction form
    220,066.20/329,807.70 = 194,988.60/x
  3. Step 3: Cross multiply
    220,066.20x = 329,807.70 × 194,988.60
  4. Step 4: Simplify right side
    220,066.20x = 64,308,741,692.22
  5. Step 5: Solve for x
    x = 64,308,741,692.22/220,066.20
  6. Step 6: Final answer
    x = 292,224.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.