Home / 247,470.36-341,518.78-137,091.86

Finding the Fourth Proportional to 247,470.36, 341,518.78 and 137,091.86

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Solution

The fourth proportional to 247,470.36, 341,518.78 and 137,091.86 is: 189,192.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,470.36 : 341,518.78 = 137,091.86 : x
  2. Step 2: Convert to fraction form
    247,470.36/341,518.78 = 137,091.86/x
  3. Step 3: Cross multiply
    247,470.36x = 341,518.78 × 137,091.86
  4. Step 4: Simplify right side
    247,470.36x = 46,819,444,519.60
  5. Step 5: Solve for x
    x = 46,819,444,519.60/247,470.36
  6. Step 6: Final answer
    x = 189,192.13

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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.