Home / 131,462.21-197,212.77-52,574.69

Finding the Fourth Proportional to 131,462.21, 197,212.77 and 52,574.69

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Solution

The fourth proportional to 131,462.21, 197,212.77 and 52,574.69 is: 78,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462.21 : 197,212.77 = 52,574.69 : x
  2. Step 2: Convert to fraction form
    131,462.21/197,212.77 = 52,574.69/x
  3. Step 3: Cross multiply
    131,462.21x = 197,212.77 × 52,574.69
  4. Step 4: Simplify right side
    131,462.21x = 10,368,400,739.82
  5. Step 5: Solve for x
    x = 10,368,400,739.82/131,462.21
  6. Step 6: Final answer
    x = 78,869.82

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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.