Home / 197,910.28-296,752.95-77,902.19

Finding the Fourth Proportional to 197,910.28, 296,752.95 and 77,902.19

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Solution

The fourth proportional to 197,910.28, 296,752.95 and 77,902.19 is: 116,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,910.28 : 296,752.95 = 77,902.19 : x
  2. Step 2: Convert to fraction form
    197,910.28/296,752.95 = 77,902.19/x
  3. Step 3: Cross multiply
    197,910.28x = 296,752.95 × 77,902.19
  4. Step 4: Simplify right side
    197,910.28x = 23,117,704,693.96
  5. Step 5: Solve for x
    x = 23,117,704,693.96/197,910.28
  6. Step 6: Final answer
    x = 116,809.01

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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.