Home / 345,942.32-519,063.34-185,831.44

Finding the Fourth Proportional to 345,942.32, 519,063.34 and 185,831.44

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Solution

The fourth proportional to 345,942.32, 519,063.34 and 185,831.44 is: 278,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,942.32 : 519,063.34 = 185,831.44 : x
  2. Step 2: Convert to fraction form
    345,942.32/519,063.34 = 185,831.44/x
  3. Step 3: Cross multiply
    345,942.32x = 519,063.34 × 185,831.44
  4. Step 4: Simplify right side
    345,942.32x = 96,458,284,398.94
  5. Step 5: Solve for x
    x = 96,458,284,398.94/345,942.32
  6. Step 6: Final answer
    x = 278,827.65

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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.