Home / 247,029.20-340,863.48-139,598.36

Finding the Fourth Proportional to 247,029.20, 340,863.48 and 139,598.36

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Solution

The fourth proportional to 247,029.20, 340,863.48 and 139,598.36 is: 192,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,029.20 : 340,863.48 = 139,598.36 : x
  2. Step 2: Convert to fraction form
    247,029.20/340,863.48 = 139,598.36/x
  3. Step 3: Cross multiply
    247,029.20x = 340,863.48 × 139,598.36
  4. Step 4: Simplify right side
    247,029.20x = 47,583,982,791.89
  5. Step 5: Solve for x
    x = 47,583,982,791.89/247,029.20
  6. Step 6: Final answer
    x = 192,624.93

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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.