Home / 166,688.48-230,029.68-91,236.32

Finding the Fourth Proportional to 166,688.48, 230,029.68 and 91,236.32

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Solution

The fourth proportional to 166,688.48, 230,029.68 and 91,236.32 is: 125,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,688.48 : 230,029.68 = 91,236.32 : x
  2. Step 2: Convert to fraction form
    166,688.48/230,029.68 = 91,236.32/x
  3. Step 3: Cross multiply
    166,688.48x = 230,029.68 × 91,236.32
  4. Step 4: Simplify right side
    166,688.48x = 20,987,061,493.98
  5. Step 5: Solve for x
    x = 20,987,061,493.98/166,688.48
  6. Step 6: Final answer
    x = 125,905.89

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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.