Home / 197,909.28-296,751.45-77,901.19

Finding the Fourth Proportional to 197,909.28, 296,751.45 and 77,901.19

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Solution

The fourth proportional to 197,909.28, 296,751.45 and 77,901.19 is: 116,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,909.28 : 296,751.45 = 77,901.19 : x
  2. Step 2: Convert to fraction form
    197,909.28/296,751.45 = 77,901.19/x
  3. Step 3: Cross multiply
    197,909.28x = 296,751.45 × 77,901.19
  4. Step 4: Simplify right side
    197,909.28x = 23,117,289,605.47
  5. Step 5: Solve for x
    x = 23,117,289,605.47/197,909.28
  6. Step 6: Final answer
    x = 116,807.51

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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.