Home / 123,926.80-185,890.20-35,171.60

Finding the Fourth Proportional to 123,926.80, 185,890.20 and 35,171.60

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Solution

The fourth proportional to 123,926.80, 185,890.20 and 35,171.60 is: 52,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,926.80 : 185,890.20 = 35,171.60 : x
  2. Step 2: Convert to fraction form
    123,926.80/185,890.20 = 35,171.60/x
  3. Step 3: Cross multiply
    123,926.80x = 185,890.20 × 35,171.60
  4. Step 4: Simplify right side
    123,926.80x = 6,538,055,758.32
  5. Step 5: Solve for x
    x = 6,538,055,758.32/123,926.80
  6. Step 6: Final answer
    x = 52,757.40

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1.5x scale

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.