Home / 118,179.30-163,081.44-64,463.88

Finding the Fourth Proportional to 118,179.30, 163,081.44 and 64,463.88

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Solution

The fourth proportional to 118,179.30, 163,081.44 and 64,463.88 is: 88,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.30 : 163,081.44 = 64,463.88 : x
  2. Step 2: Convert to fraction form
    118,179.30/163,081.44 = 64,463.88/x
  3. Step 3: Cross multiply
    118,179.30x = 163,081.44 × 64,463.88
  4. Step 4: Simplify right side
    118,179.30x = 10,512,862,378.39
  5. Step 5: Solve for x
    x = 10,512,862,378.39/118,179.30
  6. Step 6: Final answer
    x = 88,956.88

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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.