Home / 140,362.20-193,710.87-79,935.39

Finding the Fourth Proportional to 140,362.20, 193,710.87 and 79,935.39

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Solution

The fourth proportional to 140,362.20, 193,710.87 and 79,935.39 is: 110,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,362.20 : 193,710.87 = 79,935.39 : x
  2. Step 2: Convert to fraction form
    140,362.20/193,710.87 = 79,935.39/x
  3. Step 3: Cross multiply
    140,362.20x = 193,710.87 × 79,935.39
  4. Step 4: Simplify right side
    140,362.20x = 15,484,353,940.69
  5. Step 5: Solve for x
    x = 15,484,353,940.69/140,362.20
  6. Step 6: Final answer
    x = 110,317.12

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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.