Home / 105,576.30-158,369.88-26,691.18

Finding the Fourth Proportional to 105,576.30, 158,369.88 and 26,691.18

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Solution

The fourth proportional to 105,576.30, 158,369.88 and 26,691.18 is: 40,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.30 : 158,369.88 = 26,691.18 : x
  2. Step 2: Convert to fraction form
    105,576.30/158,369.88 = 26,691.18/x
  3. Step 3: Cross multiply
    105,576.30x = 158,369.88 × 26,691.18
  4. Step 4: Simplify right side
    105,576.30x = 4,227,078,973.66
  5. Step 5: Solve for x
    x = 4,227,078,973.66/105,576.30
  6. Step 6: Final answer
    x = 40,038.14

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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.