Home / 118,369.16-163,346.79-64,654.37

Finding the Fourth Proportional to 118,369.16, 163,346.79 and 64,654.37

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Solution

The fourth proportional to 118,369.16, 163,346.79 and 64,654.37 is: 89,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,369.16 : 163,346.79 = 64,654.37 : x
  2. Step 2: Convert to fraction form
    118,369.16/163,346.79 = 64,654.37/x
  3. Step 3: Cross multiply
    118,369.16x = 163,346.79 × 64,654.37
  4. Step 4: Simplify right side
    118,369.16x = 10,561,082,982.24
  5. Step 5: Solve for x
    x = 10,561,082,982.24/118,369.16
  6. Step 6: Final answer
    x = 89,221.58

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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.