Home / 112,448.66-168,700.67-79,233.59

Finding the Fourth Proportional to 112,448.66, 168,700.67 and 79,233.59

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Solution

The fourth proportional to 112,448.66, 168,700.67 and 79,233.59 is: 118,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,448.66 : 168,700.67 = 79,233.59 : x
  2. Step 2: Convert to fraction form
    112,448.66/168,700.67 = 79,233.59/x
  3. Step 3: Cross multiply
    112,448.66x = 168,700.67 × 79,233.59
  4. Step 4: Simplify right side
    112,448.66x = 13,366,758,479.83
  5. Step 5: Solve for x
    x = 13,366,758,479.83/112,448.66
  6. Step 6: Final answer
    x = 118,869.88

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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.