Home / 131,777.82-197,572.77-61,618.86

Finding the Fourth Proportional to 131,777.82, 197,572.77 and 61,618.86

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Solution

The fourth proportional to 131,777.82, 197,572.77 and 61,618.86 is: 92,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,777.82 : 197,572.77 = 61,618.86 : x
  2. Step 2: Convert to fraction form
    131,777.82/197,572.77 = 61,618.86/x
  3. Step 3: Cross multiply
    131,777.82x = 197,572.77 × 61,618.86
  4. Step 4: Simplify right side
    131,777.82x = 12,174,208,854.44
  5. Step 5: Solve for x
    x = 12,174,208,854.44/131,777.82
  6. Step 6: Final answer
    x = 92,384.35

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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.