Home / 557,110.91-835,658.17-136,386.79

Finding the Fourth Proportional to 557,110.91, 835,658.17 and 136,386.79

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Solution

The fourth proportional to 557,110.91, 835,658.17 and 136,386.79 is: 204,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,110.91 : 835,658.17 = 136,386.79 : x
  2. Step 2: Convert to fraction form
    557,110.91/835,658.17 = 136,386.79/x
  3. Step 3: Cross multiply
    557,110.91x = 835,658.17 × 136,386.79
  4. Step 4: Simplify right side
    557,110.91x = 113,972,732,913.46
  5. Step 5: Solve for x
    x = 113,972,732,913.46/557,110.91
  6. Step 6: Final answer
    x = 204,578.17

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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.