Home / 131,721.12-197,570.34-36,943.83

Finding the Fourth Proportional to 131,721.12, 197,570.34 and 36,943.83

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Solution

The fourth proportional to 131,721.12, 197,570.34 and 36,943.83 is: 55,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,721.12 : 197,570.34 = 36,943.83 : x
  2. Step 2: Convert to fraction form
    131,721.12/197,570.34 = 36,943.83/x
  3. Step 3: Cross multiply
    131,721.12x = 197,570.34 × 36,943.83
  4. Step 4: Simplify right side
    131,721.12x = 7,299,005,054.00
  5. Step 5: Solve for x
    x = 7,299,005,054.00/131,721.12
  6. Step 6: Final answer
    x = 55,412.56

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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.