Home / 194,521.14-268,528.82-137,207.16

Finding the Fourth Proportional to 194,521.14, 268,528.82 and 137,207.16

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Solution

The fourth proportional to 194,521.14, 268,528.82 and 137,207.16 is: 189,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,521.14 : 268,528.82 = 137,207.16 : x
  2. Step 2: Convert to fraction form
    194,521.14/268,528.82 = 137,207.16/x
  3. Step 3: Cross multiply
    194,521.14x = 268,528.82 × 137,207.16
  4. Step 4: Simplify right side
    194,521.14x = 36,844,076,084.32
  5. Step 5: Solve for x
    x = 36,844,076,084.32/194,521.14
  6. Step 6: Final answer
    x = 189,409.11

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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.