Home / 197,550.59-272,546.42-129,605.36

Finding the Fourth Proportional to 197,550.59, 272,546.42 and 129,605.36

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Solution

The fourth proportional to 197,550.59, 272,546.42 and 129,605.36 is: 178,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,550.59 : 272,546.42 = 129,605.36 : x
  2. Step 2: Convert to fraction form
    197,550.59/272,546.42 = 129,605.36/x
  3. Step 3: Cross multiply
    197,550.59x = 272,546.42 × 129,605.36
  4. Step 4: Simplify right side
    197,550.59x = 35,323,474,870.05
  5. Step 5: Solve for x
    x = 35,323,474,870.05/197,550.59
  6. Step 6: Final answer
    x = 178,807.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.