Home / 121,540.60-182,309.70-38,434.60

Finding the Fourth Proportional to 121,540.60, 182,309.70 and 38,434.60

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Solution

The fourth proportional to 121,540.60, 182,309.70 and 38,434.60 is: 57,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,540.60 : 182,309.70 = 38,434.60 : x
  2. Step 2: Convert to fraction form
    121,540.60/182,309.70 = 38,434.60/x
  3. Step 3: Cross multiply
    121,540.60x = 182,309.70 × 38,434.60
  4. Step 4: Simplify right side
    121,540.60x = 7,007,000,395.62
  5. Step 5: Solve for x
    x = 7,007,000,395.62/121,540.60
  6. Step 6: Final answer
    x = 57,651.52

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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.