Home / 129,852.32-179,196.38-73,268.96

Finding the Fourth Proportional to 129,852.32, 179,196.38 and 73,268.96

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Solution

The fourth proportional to 129,852.32, 179,196.38 and 73,268.96 is: 101,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,852.32 : 179,196.38 = 73,268.96 : x
  2. Step 2: Convert to fraction form
    129,852.32/179,196.38 = 73,268.96/x
  3. Step 3: Cross multiply
    129,852.32x = 179,196.38 × 73,268.96
  4. Step 4: Simplify right side
    129,852.32x = 13,129,531,136.04
  5. Step 5: Solve for x
    x = 13,129,531,136.04/129,852.32
  6. Step 6: Final answer
    x = 101,111.26

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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.