Home / 118,330.35-163,296.78-67,346.96

Finding the Fourth Proportional to 118,330.35, 163,296.78 and 67,346.96

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Solution

The fourth proportional to 118,330.35, 163,296.78 and 67,346.96 is: 92,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,330.35 : 163,296.78 = 67,346.96 : x
  2. Step 2: Convert to fraction form
    118,330.35/163,296.78 = 67,346.96/x
  3. Step 3: Cross multiply
    118,330.35x = 163,296.78 × 67,346.96
  4. Step 4: Simplify right side
    118,330.35x = 10,997,540,894.30
  5. Step 5: Solve for x
    x = 10,997,540,894.30/118,330.35
  6. Step 6: Final answer
    x = 92,939.31

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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.