Home / 166,931.94-230,365.28-91,480.44

Finding the Fourth Proportional to 166,931.94, 230,365.28 and 91,480.44

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Solution

The fourth proportional to 166,931.94, 230,365.28 and 91,480.44 is: 126,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.94 : 230,365.28 = 91,480.44 : x
  2. Step 2: Convert to fraction form
    166,931.94/230,365.28 = 91,480.44/x
  3. Step 3: Cross multiply
    166,931.94x = 230,365.28 × 91,480.44
  4. Step 4: Simplify right side
    166,931.94x = 21,073,917,175.12
  5. Step 5: Solve for x
    x = 21,073,917,175.12/166,931.94
  6. Step 6: Final answer
    x = 126,242.57

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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.