Home / 197,812.62-272,963.76-117,226.50

Finding the Fourth Proportional to 197,812.62, 272,963.76 and 117,226.50

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Solution

The fourth proportional to 197,812.62, 272,963.76 and 117,226.50 is: 161,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,812.62 : 272,963.76 = 117,226.50 : x
  2. Step 2: Convert to fraction form
    197,812.62/272,963.76 = 117,226.50/x
  3. Step 3: Cross multiply
    197,812.62x = 272,963.76 × 117,226.50
  4. Step 4: Simplify right side
    197,812.62x = 31,998,586,211.64
  5. Step 5: Solve for x
    x = 31,998,586,211.64/197,812.62
  6. Step 6: Final answer
    x = 161,762.11

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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.