Home / 413,131.14-619,703.46-143,267.76

Finding the Fourth Proportional to 413,131.14, 619,703.46 and 143,267.76

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Solution

The fourth proportional to 413,131.14, 619,703.46 and 143,267.76 is: 214,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,131.14 : 619,703.46 = 143,267.76 : x
  2. Step 2: Convert to fraction form
    413,131.14/619,703.46 = 143,267.76/x
  3. Step 3: Cross multiply
    413,131.14x = 619,703.46 × 143,267.76
  4. Step 4: Simplify right side
    413,131.14x = 88,783,526,578.45
  5. Step 5: Solve for x
    x = 88,783,526,578.45/413,131.14
  6. Step 6: Final answer
    x = 214,903.98

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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.