Home / 131,716.13-197,416.44-67,608.47

Finding the Fourth Proportional to 131,716.13, 197,416.44 and 67,608.47

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Solution

The fourth proportional to 131,716.13, 197,416.44 and 67,608.47 is: 101,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,716.13 : 197,416.44 = 67,608.47 : x
  2. Step 2: Convert to fraction form
    131,716.13/197,416.44 = 67,608.47/x
  3. Step 3: Cross multiply
    131,716.13x = 197,416.44 × 67,608.47
  4. Step 4: Simplify right side
    131,716.13x = 13,347,023,954.79
  5. Step 5: Solve for x
    x = 13,347,023,954.79/131,716.13
  6. Step 6: Final answer
    x = 101,331.74

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1.5x scale

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.