Home / 159,548.19-220,176.91-86,951.64

Finding the Fourth Proportional to 159,548.19, 220,176.91 and 86,951.64

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Solution

The fourth proportional to 159,548.19, 220,176.91 and 86,951.64 is: 119,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,548.19 : 220,176.91 = 86,951.64 : x
  2. Step 2: Convert to fraction form
    159,548.19/220,176.91 = 86,951.64/x
  3. Step 3: Cross multiply
    159,548.19x = 220,176.91 × 86,951.64
  4. Step 4: Simplify right side
    159,548.19x = 19,144,743,414.63
  5. Step 5: Solve for x
    x = 19,144,743,414.63/159,548.19
  6. Step 6: Final answer
    x = 119,993.49

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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.