Home / 194,255.51-268,084.98-117,781.92

Finding the Fourth Proportional to 194,255.51, 268,084.98 and 117,781.92

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Solution

The fourth proportional to 194,255.51, 268,084.98 and 117,781.92 is: 162,546.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,255.51 : 268,084.98 = 117,781.92 : x
  2. Step 2: Convert to fraction form
    194,255.51/268,084.98 = 117,781.92/x
  3. Step 3: Cross multiply
    194,255.51x = 268,084.98 × 117,781.92
  4. Step 4: Simplify right side
    194,255.51x = 31,575,563,667.56
  5. Step 5: Solve for x
    x = 31,575,563,667.56/194,255.51
  6. Step 6: Final answer
    x = 162,546.56

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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.