Home / 167,355.11-230,951.54-91,904.15

Finding the Fourth Proportional to 167,355.11, 230,951.54 and 91,904.15

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Solution

The fourth proportional to 167,355.11, 230,951.54 and 91,904.15 is: 126,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,355.11 : 230,951.54 = 91,904.15 : x
  2. Step 2: Convert to fraction form
    167,355.11/230,951.54 = 91,904.15/x
  3. Step 3: Cross multiply
    167,355.11x = 230,951.54 × 91,904.15
  4. Step 4: Simplify right side
    167,355.11x = 21,225,404,974.89
  5. Step 5: Solve for x
    x = 21,225,404,974.89/167,355.11
  6. Step 6: Final answer
    x = 126,828.54

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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.