Home / 238,578.33-329,238.78-136,605.35

Finding the Fourth Proportional to 238,578.33, 329,238.78 and 136,605.35

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Solution

The fourth proportional to 238,578.33, 329,238.78 and 136,605.35 is: 188,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,578.33 : 329,238.78 = 136,605.35 : x
  2. Step 2: Convert to fraction form
    238,578.33/329,238.78 = 136,605.35/x
  3. Step 3: Cross multiply
    238,578.33x = 329,238.78 × 136,605.35
  4. Step 4: Simplify right side
    238,578.33x = 44,975,779,086.30
  5. Step 5: Solve for x
    x = 44,975,779,086.30/238,578.33
  6. Step 6: Final answer
    x = 188,515.78

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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.