Home / 118,394.66-163,381.94-64,679.92

Finding the Fourth Proportional to 118,394.66, 163,381.94 and 64,679.92

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Solution

The fourth proportional to 118,394.66, 163,381.94 and 64,679.92 is: 89,256.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,394.66 : 163,381.94 = 64,679.92 : x
  2. Step 2: Convert to fraction form
    118,394.66/163,381.94 = 64,679.92/x
  3. Step 3: Cross multiply
    118,394.66x = 163,381.94 × 64,679.92
  4. Step 4: Simplify right side
    118,394.66x = 10,567,530,808.64
  5. Step 5: Solve for x
    x = 10,567,530,808.64/118,394.66
  6. Step 6: Final answer
    x = 89,256.82

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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.