Home / 198,438.17-273,844.96-107,794.15

Finding the Fourth Proportional to 198,438.17, 273,844.96 and 107,794.15

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Solution

The fourth proportional to 198,438.17, 273,844.96 and 107,794.15 is: 148,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,438.17 : 273,844.96 = 107,794.15 : x
  2. Step 2: Convert to fraction form
    198,438.17/273,844.96 = 107,794.15/x
  3. Step 3: Cross multiply
    198,438.17x = 273,844.96 × 107,794.15
  4. Step 4: Simplify right side
    198,438.17x = 29,518,883,740.89
  5. Step 5: Solve for x
    x = 29,518,883,740.89/198,438.17
  6. Step 6: Final answer
    x = 148,756.08

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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.