Home / 185,540.94-278,083.32-85,562.34

Finding the Fourth Proportional to 185,540.94, 278,083.32 and 85,562.34

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Solution

The fourth proportional to 185,540.94, 278,083.32 and 85,562.34 is: 128,238.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,540.94 : 278,083.32 = 85,562.34 : x
  2. Step 2: Convert to fraction form
    185,540.94/278,083.32 = 85,562.34/x
  3. Step 3: Cross multiply
    185,540.94x = 278,083.32 × 85,562.34
  4. Step 4: Simplify right side
    185,540.94x = 23,793,459,574.17
  5. Step 5: Solve for x
    x = 23,793,459,574.17/185,540.94
  6. Step 6: Final answer
    x = 128,238.33

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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.