Home / 131,633.16-197,449.74-61,561.68

Finding the Fourth Proportional to 131,633.16, 197,449.74 and 61,561.68

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Solution

The fourth proportional to 131,633.16, 197,449.74 and 61,561.68 is: 92,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,633.16 : 197,449.74 = 61,561.68 : x
  2. Step 2: Convert to fraction form
    131,633.16/197,449.74 = 61,561.68/x
  3. Step 3: Cross multiply
    131,633.16x = 197,449.74 × 61,561.68
  4. Step 4: Simplify right side
    131,633.16x = 12,155,337,709.96
  5. Step 5: Solve for x
    x = 12,155,337,709.96/131,633.16
  6. Step 6: Final answer
    x = 92,342.52

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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.