Home / 166,807.72-230,186.10-91,354.60

Finding the Fourth Proportional to 166,807.72, 230,186.10 and 91,354.60

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Solution

The fourth proportional to 166,807.72, 230,186.10 and 91,354.60 is: 126,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,807.72 : 230,186.10 = 91,354.60 : x
  2. Step 2: Convert to fraction form
    166,807.72/230,186.10 = 91,354.60/x
  3. Step 3: Cross multiply
    166,807.72x = 230,186.10 × 91,354.60
  4. Step 4: Simplify right side
    166,807.72x = 21,028,559,091.06
  5. Step 5: Solve for x
    x = 21,028,559,091.06/166,807.72
  6. Step 6: Final answer
    x = 126,064.66

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1.5x scale

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.