Home / 129,827.16-179,169.84-73,237.32

Finding the Fourth Proportional to 129,827.16, 179,169.84 and 73,237.32

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Solution

The fourth proportional to 129,827.16, 179,169.84 and 73,237.32 is: 101,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.16 : 179,169.84 = 73,237.32 : x
  2. Step 2: Convert to fraction form
    129,827.16/179,169.84 = 73,237.32/x
  3. Step 3: Cross multiply
    129,827.16x = 179,169.84 × 73,237.32
  4. Step 4: Simplify right side
    129,827.16x = 13,121,918,906.43
  5. Step 5: Solve for x
    x = 13,121,918,906.43/129,827.16
  6. Step 6: Final answer
    x = 101,072.22

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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.