Home / 197,145.46-272,060.44-112,262.55

Finding the Fourth Proportional to 197,145.46, 272,060.44 and 112,262.55

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Solution

The fourth proportional to 197,145.46, 272,060.44 and 112,262.55 is: 154,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,145.46 : 272,060.44 = 112,262.55 : x
  2. Step 2: Convert to fraction form
    197,145.46/272,060.44 = 112,262.55/x
  3. Step 3: Cross multiply
    197,145.46x = 272,060.44 × 112,262.55
  4. Step 4: Simplify right side
    197,145.46x = 30,542,198,748.52
  5. Step 5: Solve for x
    x = 30,542,198,748.52/197,145.46
  6. Step 6: Final answer
    x = 154,922.15

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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.