Home / 131,807.15-197,747.63-52,976.73

Finding the Fourth Proportional to 131,807.15, 197,747.63 and 52,976.73

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Solution

The fourth proportional to 131,807.15, 197,747.63 and 52,976.73 is: 79,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,807.15 : 197,747.63 = 52,976.73 : x
  2. Step 2: Convert to fraction form
    131,807.15/197,747.63 = 52,976.73/x
  3. Step 3: Cross multiply
    131,807.15x = 197,747.63 × 52,976.73
  4. Step 4: Simplify right side
    131,807.15x = 10,476,023,477.98
  5. Step 5: Solve for x
    x = 10,476,023,477.98/131,807.15
  6. Step 6: Final answer
    x = 79,479.93

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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.