Home / 166,958.50-230,417.32-91,521.58

Finding the Fourth Proportional to 166,958.50, 230,417.32 and 91,521.58

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Solution

The fourth proportional to 166,958.50, 230,417.32 and 91,521.58 is: 126,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,958.50 : 230,417.32 = 91,521.58 : x
  2. Step 2: Convert to fraction form
    166,958.50/230,417.32 = 91,521.58/x
  3. Step 3: Cross multiply
    166,958.50x = 230,417.32 × 91,521.58
  4. Step 4: Simplify right side
    166,958.50x = 21,088,157,185.77
  5. Step 5: Solve for x
    x = 21,088,157,185.77/166,958.50
  6. Step 6: Final answer
    x = 126,307.78

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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.