Home / 244,990.20-338,065.74-137,551.80

Finding the Fourth Proportional to 244,990.20, 338,065.74 and 137,551.80

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Solution

The fourth proportional to 244,990.20, 338,065.74 and 137,551.80 is: 189,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,990.20 : 338,065.74 = 137,551.80 : x
  2. Step 2: Convert to fraction form
    244,990.20/338,065.74 = 137,551.80/x
  3. Step 3: Cross multiply
    244,990.20x = 338,065.74 × 137,551.80
  4. Step 4: Simplify right side
    244,990.20x = 46,501,551,055.33
  5. Step 5: Solve for x
    x = 46,501,551,055.33/244,990.20
  6. Step 6: Final answer
    x = 189,809.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.