Home / 132,910.12-199,365.66-39,416.68

Finding the Fourth Proportional to 132,910.12, 199,365.66 and 39,416.68

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Solution

The fourth proportional to 132,910.12, 199,365.66 and 39,416.68 is: 59,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,910.12 : 199,365.66 = 39,416.68 : x
  2. Step 2: Convert to fraction form
    132,910.12/199,365.66 = 39,416.68/x
  3. Step 3: Cross multiply
    132,910.12x = 199,365.66 × 39,416.68
  4. Step 4: Simplify right side
    132,910.12x = 7,858,332,423.21
  5. Step 5: Solve for x
    x = 7,858,332,423.21/132,910.12
  6. Step 6: Final answer
    x = 59,125.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.