Home / 238,668.72-329,353.98-131,232.36

Finding the Fourth Proportional to 238,668.72, 329,353.98 and 131,232.36

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Solution

The fourth proportional to 238,668.72, 329,353.98 and 131,232.36 is: 181,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,668.72 : 329,353.98 = 131,232.36 : x
  2. Step 2: Convert to fraction form
    238,668.72/329,353.98 = 131,232.36/x
  3. Step 3: Cross multiply
    238,668.72x = 329,353.98 × 131,232.36
  4. Step 4: Simplify right side
    238,668.72x = 43,221,900,070.79
  5. Step 5: Solve for x
    x = 43,221,900,070.79/238,668.72
  6. Step 6: Final answer
    x = 181,095.79

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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.