Home / 166,616.56-229,929.69-91,165.06

Finding the Fourth Proportional to 166,616.56, 229,929.69 and 91,165.06

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Solution

The fourth proportional to 166,616.56, 229,929.69 and 91,165.06 is: 125,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,616.56 : 229,929.69 = 91,165.06 : x
  2. Step 2: Convert to fraction form
    166,616.56/229,929.69 = 91,165.06/x
  3. Step 3: Cross multiply
    166,616.56x = 229,929.69 × 91,165.06
  4. Step 4: Simplify right side
    166,616.56x = 20,961,553,984.63
  5. Step 5: Solve for x
    x = 20,961,553,984.63/166,616.56
  6. Step 6: Final answer
    x = 125,807.15

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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.