Home / 238,918.78-329,570.76-149,339.26

Finding the Fourth Proportional to 238,918.78, 329,570.76 and 149,339.26

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Solution

The fourth proportional to 238,918.78, 329,570.76 and 149,339.26 is: 206,002.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,918.78 : 329,570.76 = 149,339.26 : x
  2. Step 2: Convert to fraction form
    238,918.78/329,570.76 = 149,339.26/x
  3. Step 3: Cross multiply
    238,918.78x = 329,570.76 × 149,339.26
  4. Step 4: Simplify right side
    238,918.78x = 49,217,853,416.04
  5. Step 5: Solve for x
    x = 49,217,853,416.04/238,918.78
  6. Step 6: Final answer
    x = 206,002.45

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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.