Home / 197,724.24-272,860.45-107,080.38

Finding the Fourth Proportional to 197,724.24, 272,860.45 and 107,080.38

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Solution

The fourth proportional to 197,724.24, 272,860.45 and 107,080.38 is: 147,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,724.24 : 272,860.45 = 107,080.38 : x
  2. Step 2: Convert to fraction form
    197,724.24/272,860.45 = 107,080.38/x
  3. Step 3: Cross multiply
    197,724.24x = 272,860.45 × 107,080.38
  4. Step 4: Simplify right side
    197,724.24x = 29,218,000,405.27
  5. Step 5: Solve for x
    x = 29,218,000,405.27/197,724.24
  6. Step 6: Final answer
    x = 147,771.46

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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.