Home / 112,448.16-168,699.92-79,233.09

Finding the Fourth Proportional to 112,448.16, 168,699.92 and 79,233.09

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Solution

The fourth proportional to 112,448.16, 168,699.92 and 79,233.09 is: 118,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.16 : 168,699.92 = 79,233.09 : x
  2. Step 2: Convert to fraction form
    112,448.16/168,699.92 = 79,233.09/x
  3. Step 3: Cross multiply
    112,448.16x = 168,699.92 × 79,233.09
  4. Step 4: Simplify right side
    112,448.16x = 13,366,614,704.69
  5. Step 5: Solve for x
    x = 13,366,614,704.69/112,448.16
  6. Step 6: Final answer
    x = 118,869.13

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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.