Home / 197,942.40-296,884.80-57,686.40

Finding the Fourth Proportional to 197,942.40, 296,884.80 and 57,686.40

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Solution

The fourth proportional to 197,942.40, 296,884.80 and 57,686.40 is: 86,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,942.40 : 296,884.80 = 57,686.40 : x
  2. Step 2: Convert to fraction form
    197,942.40/296,884.80 = 57,686.40/x
  3. Step 3: Cross multiply
    197,942.40x = 296,884.80 × 57,686.40
  4. Step 4: Simplify right side
    197,942.40x = 17,126,215,326.72
  5. Step 5: Solve for x
    x = 17,126,215,326.72/197,942.40
  6. Step 6: Final answer
    x = 86,521.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.