Home / 113,252.10-170,072.55-80,204.10

Finding the Fourth Proportional to 113,252.10, 170,072.55 and 80,204.10

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Solution

The fourth proportional to 113,252.10, 170,072.55 and 80,204.10 is: 120,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,252.10 : 170,072.55 = 80,204.10 : x
  2. Step 2: Convert to fraction form
    113,252.10/170,072.55 = 80,204.10/x
  3. Step 3: Cross multiply
    113,252.10x = 170,072.55 × 80,204.10
  4. Step 4: Simplify right side
    113,252.10x = 13,640,515,807.46
  5. Step 5: Solve for x
    x = 13,640,515,807.46/113,252.10
  6. Step 6: Final answer
    x = 120,443.82

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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.