Home / 185,539.94-278,081.82-85,561.34

Finding the Fourth Proportional to 185,539.94, 278,081.82 and 85,561.34

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Solution

The fourth proportional to 185,539.94, 278,081.82 and 85,561.34 is: 128,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,539.94 : 278,081.82 = 85,561.34 : x
  2. Step 2: Convert to fraction form
    185,539.94/278,081.82 = 85,561.34/x
  3. Step 3: Cross multiply
    185,539.94x = 278,081.82 × 85,561.34
  4. Step 4: Simplify right side
    185,539.94x = 23,793,053,148.84
  5. Step 5: Solve for x
    x = 23,793,053,148.84/185,539.94
  6. Step 6: Final answer
    x = 128,236.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.