Home / 198,296.12-295,554.10-187,087.73

Finding the Fourth Proportional to 198,296.12, 295,554.10 and 187,087.73

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Solution

The fourth proportional to 198,296.12, 295,554.10 and 187,087.73 is: 278,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,296.12 : 295,554.10 = 187,087.73 : x
  2. Step 2: Convert to fraction form
    198,296.12/295,554.10 = 187,087.73/x
  3. Step 3: Cross multiply
    198,296.12x = 295,554.10 × 187,087.73
  4. Step 4: Simplify right side
    198,296.12x = 55,294,545,661.19
  5. Step 5: Solve for x
    x = 55,294,545,661.19/198,296.12
  6. Step 6: Final answer
    x = 278,848.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.