Home / 238,503.90-329,119.44-131,071.62

Finding the Fourth Proportional to 238,503.90, 329,119.44 and 131,071.62

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Solution

The fourth proportional to 238,503.90, 329,119.44 and 131,071.62 is: 180,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,503.90 : 329,119.44 = 131,071.62 : x
  2. Step 2: Convert to fraction form
    238,503.90/329,119.44 = 131,071.62/x
  3. Step 3: Cross multiply
    238,503.90x = 329,119.44 × 131,071.62
  4. Step 4: Simplify right side
    238,503.90x = 43,138,218,174.29
  5. Step 5: Solve for x
    x = 43,138,218,174.29/238,503.90
  6. Step 6: Final answer
    x = 180,870.07

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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.