Home / 166,691.51-230,032.50-90,208.94

Finding the Fourth Proportional to 166,691.51, 230,032.50 and 90,208.94

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Solution

The fourth proportional to 166,691.51, 230,032.50 and 90,208.94 is: 124,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,691.51 : 230,032.50 = 90,208.94 : x
  2. Step 2: Convert to fraction form
    166,691.51/230,032.50 = 90,208.94/x
  3. Step 3: Cross multiply
    166,691.51x = 230,032.50 × 90,208.94
  4. Step 4: Simplify right side
    166,691.51x = 20,750,986,840.39
  5. Step 5: Solve for x
    x = 20,750,986,840.39/166,691.51
  6. Step 6: Final answer
    x = 124,487.37

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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.