Home / 108,533.06-149,780.23-63,203.73

Finding the Fourth Proportional to 108,533.06, 149,780.23 and 63,203.73

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Solution

The fourth proportional to 108,533.06, 149,780.23 and 63,203.73 is: 87,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,533.06 : 149,780.23 = 63,203.73 : x
  2. Step 2: Convert to fraction form
    108,533.06/149,780.23 = 63,203.73/x
  3. Step 3: Cross multiply
    108,533.06x = 149,780.23 × 63,203.73
  4. Step 4: Simplify right side
    108,533.06x = 9,466,669,058.25
  5. Step 5: Solve for x
    x = 9,466,669,058.25/108,533.06
  6. Step 6: Final answer
    x = 87,223.83

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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.