Home / 129,827.37-179,170.07-73,218.09

Finding the Fourth Proportional to 129,827.37, 179,170.07 and 73,218.09

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Solution

The fourth proportional to 129,827.37, 179,170.07 and 73,218.09 is: 101,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,827.37 : 179,170.07 = 73,218.09 : x
  2. Step 2: Convert to fraction form
    129,827.37/179,170.07 = 73,218.09/x
  3. Step 3: Cross multiply
    129,827.37x = 179,170.07 × 73,218.09
  4. Step 4: Simplify right side
    129,827.37x = 13,118,489,944.48
  5. Step 5: Solve for x
    x = 13,118,489,944.48/129,827.37
  6. Step 6: Final answer
    x = 101,045.64

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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.