Home / 131,723.90-197,002.65-110,728.70

Finding the Fourth Proportional to 131,723.90, 197,002.65 and 110,728.70

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Solution

The fourth proportional to 131,723.90, 197,002.65 and 110,728.70 is: 165,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,723.90 : 197,002.65 = 110,728.70 : x
  2. Step 2: Convert to fraction form
    131,723.90/197,002.65 = 110,728.70/x
  3. Step 3: Cross multiply
    131,723.90x = 197,002.65 × 110,728.70
  4. Step 4: Simplify right side
    131,723.90x = 21,813,847,331.06
  5. Step 5: Solve for x
    x = 21,813,847,331.06/131,723.90
  6. Step 6: Final answer
    x = 165,602.81

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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.