Home / 197,640.52-296,248.14-85,373.56

Finding the Fourth Proportional to 197,640.52, 296,248.14 and 85,373.56

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Solution

The fourth proportional to 197,640.52, 296,248.14 and 85,373.56 is: 127,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,640.52 : 296,248.14 = 85,373.56 : x
  2. Step 2: Convert to fraction form
    197,640.52/296,248.14 = 85,373.56/x
  3. Step 3: Cross multiply
    197,640.52x = 296,248.14 × 85,373.56
  4. Step 4: Simplify right side
    197,640.52x = 25,291,758,355.18
  5. Step 5: Solve for x
    x = 25,291,758,355.18/197,640.52
  6. Step 6: Final answer
    x = 127,968.49

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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.