Home / 140,206.47-209,236.67-125,247.39

Finding the Fourth Proportional to 140,206.47, 209,236.67 and 125,247.39

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Solution

The fourth proportional to 140,206.47, 209,236.67 and 125,247.39 is: 186,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,206.47 : 209,236.67 = 125,247.39 : x
  2. Step 2: Convert to fraction form
    140,206.47/209,236.67 = 125,247.39/x
  3. Step 3: Cross multiply
    140,206.47x = 209,236.67 × 125,247.39
  4. Step 4: Simplify right side
    140,206.47x = 26,206,346,183.55
  5. Step 5: Solve for x
    x = 26,206,346,183.55/140,206.47
  6. Step 6: Final answer
    x = 186,912.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.