Home / 158,738.52-219,069-104,930.22

Finding the Fourth Proportional to 158,738.52, 219,069 and 104,930.22

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Solution

The fourth proportional to 158,738.52, 219,069 and 104,930.22 is: 144,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,738.52 : 219,069 = 104,930.22 : x
  2. Step 2: Convert to fraction form
    158,738.52/219,069 = 104,930.22/x
  3. Step 3: Cross multiply
    158,738.52x = 219,069 × 104,930.22
  4. Step 4: Simplify right side
    158,738.52x = 22,986,958,365.18
  5. Step 5: Solve for x
    x = 22,986,958,365.18/158,738.52
  6. Step 6: Final answer
    x = 144,810.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.