Home / 159,645.48-220,123.62-119,288.04

Finding the Fourth Proportional to 159,645.48, 220,123.62 and 119,288.04

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Solution

The fourth proportional to 159,645.48, 220,123.62 and 119,288.04 is: 164,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,645.48 : 220,123.62 = 119,288.04 : x
  2. Step 2: Convert to fraction form
    159,645.48/220,123.62 = 119,288.04/x
  3. Step 3: Cross multiply
    159,645.48x = 220,123.62 × 119,288.04
  4. Step 4: Simplify right side
    159,645.48x = 26,258,115,187.50
  5. Step 5: Solve for x
    x = 26,258,115,187.50/159,645.48
  6. Step 6: Final answer
    x = 164,477.66

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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.