Home / 194,678.26-268,656.40-105,254.26

Finding the Fourth Proportional to 194,678.26, 268,656.40 and 105,254.26

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Solution

The fourth proportional to 194,678.26, 268,656.40 and 105,254.26 is: 145,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,678.26 : 268,656.40 = 105,254.26 : x
  2. Step 2: Convert to fraction form
    194,678.26/268,656.40 = 105,254.26/x
  3. Step 3: Cross multiply
    194,678.26x = 268,656.40 × 105,254.26
  4. Step 4: Simplify right side
    194,678.26x = 28,277,230,576.26
  5. Step 5: Solve for x
    x = 28,277,230,576.26/194,678.26
  6. Step 6: Final answer
    x = 145,251.10

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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.