Home / 131,750.55-197,515.08-106,728.55

Finding the Fourth Proportional to 131,750.55, 197,515.08 and 106,728.55

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Solution

The fourth proportional to 131,750.55, 197,515.08 and 106,728.55 is: 160,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,750.55 : 197,515.08 = 106,728.55 : x
  2. Step 2: Convert to fraction form
    131,750.55/197,515.08 = 106,728.55/x
  3. Step 3: Cross multiply
    131,750.55x = 197,515.08 × 106,728.55
  4. Step 4: Simplify right side
    131,750.55x = 21,080,497,597.75
  5. Step 5: Solve for x
    x = 21,080,497,597.75/131,750.55
  6. Step 6: Final answer
    x = 160,003.11

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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.