Home / 131,491.40-197,237.10-110,496.20

Finding the Fourth Proportional to 131,491.40, 197,237.10 and 110,496.20

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Solution

The fourth proportional to 131,491.40, 197,237.10 and 110,496.20 is: 165,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,491.40 : 197,237.10 = 110,496.20 : x
  2. Step 2: Convert to fraction form
    131,491.40/197,237.10 = 110,496.20/x
  3. Step 3: Cross multiply
    131,491.40x = 197,237.10 × 110,496.20
  4. Step 4: Simplify right side
    131,491.40x = 21,793,950,049.02
  5. Step 5: Solve for x
    x = 21,793,950,049.02/131,491.40
  6. Step 6: Final answer
    x = 165,744.30

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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.