Home / 187,401.40-281,231.70-134,848.60

Finding the Fourth Proportional to 187,401.40, 281,231.70 and 134,848.60

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Solution

The fourth proportional to 187,401.40, 281,231.70 and 134,848.60 is: 202,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.40 : 281,231.70 = 134,848.60 : x
  2. Step 2: Convert to fraction form
    187,401.40/281,231.70 = 134,848.60/x
  3. Step 3: Cross multiply
    187,401.40x = 281,231.70 × 134,848.60
  4. Step 4: Simplify right side
    187,401.40x = 37,923,701,020.62
  5. Step 5: Solve for x
    x = 37,923,701,020.62/187,401.40
  6. Step 6: Final answer
    x = 202,366.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.