Home / 193,040.76-289,162.62-143,177.16

Finding the Fourth Proportional to 193,040.76, 289,162.62 and 143,177.16

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Solution

The fourth proportional to 193,040.76, 289,162.62 and 143,177.16 is: 214,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,040.76 : 289,162.62 = 143,177.16 : x
  2. Step 2: Convert to fraction form
    193,040.76/289,162.62 = 143,177.16/x
  3. Step 3: Cross multiply
    193,040.76x = 289,162.62 × 143,177.16
  4. Step 4: Simplify right side
    193,040.76x = 41,401,482,709.76
  5. Step 5: Solve for x
    x = 41,401,482,709.76/193,040.76
  6. Step 6: Final answer
    x = 214,470.16

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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.