Home / 132,786.16-199,238.09-69,591.25

Finding the Fourth Proportional to 132,786.16, 199,238.09 and 69,591.25

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Solution

The fourth proportional to 132,786.16, 199,238.09 and 69,591.25 is: 104,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,786.16 : 199,238.09 = 69,591.25 : x
  2. Step 2: Convert to fraction form
    132,786.16/199,238.09 = 69,591.25/x
  3. Step 3: Cross multiply
    132,786.16x = 199,238.09 × 69,591.25
  4. Step 4: Simplify right side
    132,786.16x = 13,865,227,730.71
  5. Step 5: Solve for x
    x = 13,865,227,730.71/132,786.16
  6. Step 6: Final answer
    x = 104,417.72

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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.