Home / 197,546.57-272,612.18-106,900.55

Finding the Fourth Proportional to 197,546.57, 272,612.18 and 106,900.55

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Solution

The fourth proportional to 197,546.57, 272,612.18 and 106,900.55 is: 147,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,546.57 : 272,612.18 = 106,900.55 : x
  2. Step 2: Convert to fraction form
    197,546.57/272,612.18 = 106,900.55/x
  3. Step 3: Cross multiply
    197,546.57x = 272,612.18 × 106,900.55
  4. Step 4: Simplify right side
    197,546.57x = 29,142,391,978.70
  5. Step 5: Solve for x
    x = 29,142,391,978.70/197,546.57
  6. Step 6: Final answer
    x = 147,521.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.