Home / 119,203.20-164,489.40-68,205.60

Finding the Fourth Proportional to 119,203.20, 164,489.40 and 68,205.60

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Solution

The fourth proportional to 119,203.20, 164,489.40 and 68,205.60 is: 94,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,203.20 : 164,489.40 = 68,205.60 : x
  2. Step 2: Convert to fraction form
    119,203.20/164,489.40 = 68,205.60/x
  3. Step 3: Cross multiply
    119,203.20x = 164,489.40 × 68,205.60
  4. Step 4: Simplify right side
    119,203.20x = 11,219,098,220.64
  5. Step 5: Solve for x
    x = 11,219,098,220.64/119,203.20
  6. Step 6: Final answer
    x = 94,117.42

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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.