Home / 194,621.09-268,577.15-109,738.17

Finding the Fourth Proportional to 194,621.09, 268,577.15 and 109,738.17

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Solution

The fourth proportional to 194,621.09, 268,577.15 and 109,738.17 is: 151,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,621.09 : 268,577.15 = 109,738.17 : x
  2. Step 2: Convert to fraction form
    194,621.09/268,577.15 = 109,738.17/x
  3. Step 3: Cross multiply
    194,621.09x = 268,577.15 × 109,738.17
  4. Step 4: Simplify right side
    194,621.09x = 29,473,164,396.12
  5. Step 5: Solve for x
    x = 29,473,164,396.12/194,621.09
  6. Step 6: Final answer
    x = 151,438.70

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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.