Home / 238,554.69-329,206.19-131,135.73

Finding the Fourth Proportional to 238,554.69, 329,206.19 and 131,135.73

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Solution

The fourth proportional to 238,554.69, 329,206.19 and 131,135.73 is: 180,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,554.69 : 329,206.19 = 131,135.73 : x
  2. Step 2: Convert to fraction form
    238,554.69/329,206.19 = 131,135.73/x
  3. Step 3: Cross multiply
    238,554.69x = 329,206.19 × 131,135.73
  4. Step 4: Simplify right side
    238,554.69x = 43,170,693,390.49
  5. Step 5: Solve for x
    x = 43,170,693,390.49/238,554.69
  6. Step 6: Final answer
    x = 180,967.70

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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.