Home / 131,772.60-181,846.62-71,343.24

Finding the Fourth Proportional to 131,772.60, 181,846.62 and 71,343.24

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Solution

The fourth proportional to 131,772.60, 181,846.62 and 71,343.24 is: 98,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,772.60 : 181,846.62 = 71,343.24 : x
  2. Step 2: Convert to fraction form
    131,772.60/181,846.62 = 71,343.24/x
  3. Step 3: Cross multiply
    131,772.60x = 181,846.62 × 71,343.24
  4. Step 4: Simplify right side
    131,772.60x = 12,973,527,053.85
  5. Step 5: Solve for x
    x = 12,973,527,053.85/131,772.60
  6. Step 6: Final answer
    x = 98,453.91

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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.