Home / 185,199.36-255,530.88-109,734.72

Finding the Fourth Proportional to 185,199.36, 255,530.88 and 109,734.72

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Solution

The fourth proportional to 185,199.36, 255,530.88 and 109,734.72 is: 151,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,199.36 : 255,530.88 = 109,734.72 : x
  2. Step 2: Convert to fraction form
    185,199.36/255,530.88 = 109,734.72/x
  3. Step 3: Cross multiply
    185,199.36x = 255,530.88 × 109,734.72
  4. Step 4: Simplify right side
    185,199.36x = 28,040,609,568.15
  5. Step 5: Solve for x
    x = 28,040,609,568.15/185,199.36
  6. Step 6: Final answer
    x = 151,407.70

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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.