Home / 245,190.04-338,370.82-137,757.92

Finding the Fourth Proportional to 245,190.04, 338,370.82 and 137,757.92

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Solution

The fourth proportional to 245,190.04, 338,370.82 and 137,757.92 is: 190,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,190.04 : 338,370.82 = 137,757.92 : x
  2. Step 2: Convert to fraction form
    245,190.04/338,370.82 = 137,757.92/x
  3. Step 3: Cross multiply
    245,190.04x = 338,370.82 × 137,757.92
  4. Step 4: Simplify right side
    245,190.04x = 46,613,258,315.65
  5. Step 5: Solve for x
    x = 46,613,258,315.65/245,190.04
  6. Step 6: Final answer
    x = 190,110.74

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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.