Home / 413,121.57-619,624-132,602.37

Finding the Fourth Proportional to 413,121.57, 619,624 and 132,602.37

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Solution

The fourth proportional to 413,121.57, 619,624 and 132,602.37 is: 198,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,121.57 : 619,624 = 132,602.37 : x
  2. Step 2: Convert to fraction form
    413,121.57/619,624 = 132,602.37/x
  3. Step 3: Cross multiply
    413,121.57x = 619,624 × 132,602.37
  4. Step 4: Simplify right side
    413,121.57x = 82,163,610,908.88
  5. Step 5: Solve for x
    x = 82,163,610,908.88/413,121.57
  6. Step 6: Final answer
    x = 198,884.82

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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.