Home / 245,025.40-338,171.66-149,587.51

Finding the Fourth Proportional to 245,025.40, 338,171.66 and 149,587.51

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Solution

The fourth proportional to 245,025.40, 338,171.66 and 149,587.51 is: 206,453.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,025.40 : 338,171.66 = 149,587.51 : x
  2. Step 2: Convert to fraction form
    245,025.40/338,171.66 = 149,587.51/x
  3. Step 3: Cross multiply
    245,025.40x = 338,171.66 × 149,587.51
  4. Step 4: Simplify right side
    245,025.40x = 50,586,256,571.97
  5. Step 5: Solve for x
    x = 50,586,256,571.97/245,025.40
  6. Step 6: Final answer
    x = 206,453.11

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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.