Home / 105,557.24-158,321.22-26,666.60

Finding the Fourth Proportional to 105,557.24, 158,321.22 and 26,666.60

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Solution

The fourth proportional to 105,557.24, 158,321.22 and 26,666.60 is: 39,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,557.24 : 158,321.22 = 26,666.60 : x
  2. Step 2: Convert to fraction form
    105,557.24/158,321.22 = 26,666.60/x
  3. Step 3: Cross multiply
    105,557.24x = 158,321.22 × 26,666.60
  4. Step 4: Simplify right side
    105,557.24x = 4,221,888,645.25
  5. Step 5: Solve for x
    x = 4,221,888,645.25/105,557.24
  6. Step 6: Final answer
    x = 39,996.20

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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.