Home / 129,850.94-179,194.47-73,267.58

Finding the Fourth Proportional to 129,850.94, 179,194.47 and 73,267.58

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Solution

The fourth proportional to 129,850.94, 179,194.47 and 73,267.58 is: 101,109.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,850.94 : 179,194.47 = 73,267.58 : x
  2. Step 2: Convert to fraction form
    129,850.94/179,194.47 = 73,267.58/x
  3. Step 3: Cross multiply
    129,850.94x = 179,194.47 × 73,267.58
  4. Step 4: Simplify right side
    129,850.94x = 13,129,145,166.28
  5. Step 5: Solve for x
    x = 13,129,145,166.28/129,850.94
  6. Step 6: Final answer
    x = 101,109.36

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1.5x scale

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.