Home / 131,713.40-196,986.90-110,718.20

Finding the Fourth Proportional to 131,713.40, 196,986.90 and 110,718.20

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Solution

The fourth proportional to 131,713.40, 196,986.90 and 110,718.20 is: 165,587.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713.40 : 196,986.90 = 110,718.20 : x
  2. Step 2: Convert to fraction form
    131,713.40/196,986.90 = 110,718.20/x
  3. Step 3: Cross multiply
    131,713.40x = 196,986.90 × 110,718.20
  4. Step 4: Simplify right side
    131,713.40x = 21,810,034,991.58
  5. Step 5: Solve for x
    x = 21,810,034,991.58/131,713.40
  6. Step 6: Final answer
    x = 165,587.06

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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.