Home / 105,600.29-158,006.73-104,419.31

Finding the Fourth Proportional to 105,600.29, 158,006.73 and 104,419.31

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Solution

The fourth proportional to 105,600.29, 158,006.73 and 104,419.31 is: 156,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,600.29 : 158,006.73 = 104,419.31 : x
  2. Step 2: Convert to fraction form
    105,600.29/158,006.73 = 104,419.31/x
  3. Step 3: Cross multiply
    105,600.29x = 158,006.73 × 104,419.31
  4. Step 4: Simplify right side
    105,600.29x = 16,498,953,721.96
  5. Step 5: Solve for x
    x = 16,498,953,721.96/105,600.29
  6. Step 6: Final answer
    x = 156,239.66

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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.