Home / 197,776.62-272,931.84-107,132.76

Finding the Fourth Proportional to 197,776.62, 272,931.84 and 107,132.76

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Solution

The fourth proportional to 197,776.62, 272,931.84 and 107,132.76 is: 147,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,776.62 : 272,931.84 = 107,132.76 : x
  2. Step 2: Convert to fraction form
    197,776.62/272,931.84 = 107,132.76/x
  3. Step 3: Cross multiply
    197,776.62x = 272,931.84 × 107,132.76
  4. Step 4: Simplify right side
    197,776.62x = 29,239,941,311.08
  5. Step 5: Solve for x
    x = 29,239,941,311.08/197,776.62
  6. Step 6: Final answer
    x = 147,843.27

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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.