Home / 197,809.88-272,977.30-107,168.15

Finding the Fourth Proportional to 197,809.88, 272,977.30 and 107,168.15

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Solution

The fourth proportional to 197,809.88, 272,977.30 and 107,168.15 is: 147,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,809.88 : 272,977.30 = 107,168.15 : x
  2. Step 2: Convert to fraction form
    197,809.88/272,977.30 = 107,168.15/x
  3. Step 3: Cross multiply
    197,809.88x = 272,977.30 × 107,168.15
  4. Step 4: Simplify right side
    197,809.88x = 29,254,470,600.19
  5. Step 5: Solve for x
    x = 29,254,470,600.19/197,809.88
  6. Step 6: Final answer
    x = 147,891.86

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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.