Home / 122,201.45-168,637.61-71,244.35

Finding the Fourth Proportional to 122,201.45, 168,637.61 and 71,244.35

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Solution

The fourth proportional to 122,201.45, 168,637.61 and 71,244.35 is: 98,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,201.45 : 168,637.61 = 71,244.35 : x
  2. Step 2: Convert to fraction form
    122,201.45/168,637.61 = 71,244.35/x
  3. Step 3: Cross multiply
    122,201.45x = 168,637.61 × 71,244.35
  4. Step 4: Simplify right side
    122,201.45x = 12,014,476,910.00
  5. Step 5: Solve for x
    x = 12,014,476,910.00/122,201.45
  6. Step 6: Final answer
    x = 98,316.98

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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.