Home / 159,546.30-220,173.96-87,925.69

Finding the Fourth Proportional to 159,546.30, 220,173.96 and 87,925.69

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Solution

The fourth proportional to 159,546.30, 220,173.96 and 87,925.69 is: 121,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,546.30 : 220,173.96 = 87,925.69 : x
  2. Step 2: Convert to fraction form
    159,546.30/220,173.96 = 87,925.69/x
  3. Step 3: Cross multiply
    159,546.30x = 220,173.96 × 87,925.69
  4. Step 4: Simplify right side
    159,546.30x = 19,358,947,353.03
  5. Step 5: Solve for x
    x = 19,358,947,353.03/159,546.30
  6. Step 6: Final answer
    x = 121,337.49

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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.