Home / 131,138.93-196,660.19-46,876.35

Finding the Fourth Proportional to 131,138.93, 196,660.19 and 46,876.35

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Solution

The fourth proportional to 131,138.93, 196,660.19 and 46,876.35 is: 70,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,138.93 : 196,660.19 = 46,876.35 : x
  2. Step 2: Convert to fraction form
    131,138.93/196,660.19 = 46,876.35/x
  3. Step 3: Cross multiply
    131,138.93x = 196,660.19 × 46,876.35
  4. Step 4: Simplify right side
    131,138.93x = 9,218,712,014.70
  5. Step 5: Solve for x
    x = 9,218,712,014.70/131,138.93
  6. Step 6: Final answer
    x = 70,297.30

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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.