Home / 159,484.62-220,104.33-119,128.38

Finding the Fourth Proportional to 159,484.62, 220,104.33 and 119,128.38

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Solution

The fourth proportional to 159,484.62, 220,104.33 and 119,128.38 is: 164,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,484.62 : 220,104.33 = 119,128.38 : x
  2. Step 2: Convert to fraction form
    159,484.62/220,104.33 = 119,128.38/x
  3. Step 3: Cross multiply
    159,484.62x = 220,104.33 × 119,128.38
  4. Step 4: Simplify right side
    159,484.62x = 26,220,672,263.89
  5. Step 5: Solve for x
    x = 26,220,672,263.89/159,484.62
  6. Step 6: Final answer
    x = 164,408.78

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1.5x scale

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.