Home / 197,726.85-296,640.84-57,485.47

Finding the Fourth Proportional to 197,726.85, 296,640.84 and 57,485.47

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Solution

The fourth proportional to 197,726.85, 296,640.84 and 57,485.47 is: 86,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,726.85 : 296,640.84 = 57,485.47 : x
  2. Step 2: Convert to fraction form
    197,726.85/296,640.84 = 57,485.47/x
  3. Step 3: Cross multiply
    197,726.85x = 296,640.84 × 57,485.47
  4. Step 4: Simplify right side
    197,726.85x = 17,052,538,108.59
  5. Step 5: Solve for x
    x = 17,052,538,108.59/197,726.85
  6. Step 6: Final answer
    x = 86,242.91

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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.