Home / 166,807.08-230,199.30-91,359.72

Finding the Fourth Proportional to 166,807.08, 230,199.30 and 91,359.72

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Solution

The fourth proportional to 166,807.08, 230,199.30 and 91,359.72 is: 126,079.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,807.08 : 230,199.30 = 91,359.72 : x
  2. Step 2: Convert to fraction form
    166,807.08/230,199.30 = 91,359.72/x
  3. Step 3: Cross multiply
    166,807.08x = 230,199.30 × 91,359.72
  4. Step 4: Simplify right side
    166,807.08x = 21,030,943,592.20
  5. Step 5: Solve for x
    x = 21,030,943,592.20/166,807.08
  6. Step 6: Final answer
    x = 126,079.44

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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.