Home / 147,546.01-203,567.33-87,138.03

Finding the Fourth Proportional to 147,546.01, 203,567.33 and 87,138.03

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Solution

The fourth proportional to 147,546.01, 203,567.33 and 87,138.03 is: 120,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,546.01 : 203,567.33 = 87,138.03 : x
  2. Step 2: Convert to fraction form
    147,546.01/203,567.33 = 87,138.03/x
  3. Step 3: Cross multiply
    147,546.01x = 203,567.33 × 87,138.03
  4. Step 4: Simplify right side
    147,546.01x = 17,738,456,326.41
  5. Step 5: Solve for x
    x = 17,738,456,326.41/147,546.01
  6. Step 6: Final answer
    x = 120,223.22

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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.