Home / 150,571.14-207,266.70-130,143.90

Finding the Fourth Proportional to 150,571.14, 207,266.70 and 130,143.90

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Solution

The fourth proportional to 150,571.14, 207,266.70 and 130,143.90 is: 179,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,571.14 : 207,266.70 = 130,143.90 : x
  2. Step 2: Convert to fraction form
    150,571.14/207,266.70 = 130,143.90/x
  3. Step 3: Cross multiply
    150,571.14x = 207,266.70 × 130,143.90
  4. Step 4: Simplify right side
    150,571.14x = 26,974,496,678.13
  5. Step 5: Solve for x
    x = 26,974,496,678.13/150,571.14
  6. Step 6: Final answer
    x = 179,147.85

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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.