Home / 131,763.24-197,655.75-43,014.78

Finding the Fourth Proportional to 131,763.24, 197,655.75 and 43,014.78

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Solution

The fourth proportional to 131,763.24, 197,655.75 and 43,014.78 is: 64,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,763.24 : 197,655.75 = 43,014.78 : x
  2. Step 2: Convert to fraction form
    131,763.24/197,655.75 = 43,014.78/x
  3. Step 3: Cross multiply
    131,763.24x = 197,655.75 × 43,014.78
  4. Step 4: Simplify right side
    131,763.24x = 8,502,118,601.99
  5. Step 5: Solve for x
    x = 8,502,118,601.99/131,763.24
  6. Step 6: Final answer
    x = 64,525.73

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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.