Home / 413,146.20-619,648.07-109,542.51

Finding the Fourth Proportional to 413,146.20, 619,648.07 and 109,542.51

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Solution

The fourth proportional to 413,146.20, 619,648.07 and 109,542.51 is: 164,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,146.20 : 619,648.07 = 109,542.51 : x
  2. Step 2: Convert to fraction form
    413,146.20/619,648.07 = 109,542.51/x
  3. Step 3: Cross multiply
    413,146.20x = 619,648.07 × 109,542.51
  4. Step 4: Simplify right side
    413,146.20x = 67,877,804,356.74
  5. Step 5: Solve for x
    x = 67,877,804,356.74/413,146.20
  6. Step 6: Final answer
    x = 164,294.88

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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.