Home / 133,023.06-199,513.14-38,231.65

Finding the Fourth Proportional to 133,023.06, 199,513.14 and 38,231.65

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Solution

The fourth proportional to 133,023.06, 199,513.14 and 38,231.65 is: 57,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,023.06 : 199,513.14 = 38,231.65 : x
  2. Step 2: Convert to fraction form
    133,023.06/199,513.14 = 38,231.65/x
  3. Step 3: Cross multiply
    133,023.06x = 199,513.14 × 38,231.65
  4. Step 4: Simplify right side
    133,023.06x = 7,627,715,737.70
  5. Step 5: Solve for x
    x = 7,627,715,737.70/133,023.06
  6. Step 6: Final answer
    x = 57,341.30

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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.