Home / 114,919.92-158,540.76-70,182

Finding the Fourth Proportional to 114,919.92, 158,540.76 and 70,182

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Solution

The fourth proportional to 114,919.92, 158,540.76 and 70,182 is: 96,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,919.92 : 158,540.76 = 70,182 : x
  2. Step 2: Convert to fraction form
    114,919.92/158,540.76 = 70,182/x
  3. Step 3: Cross multiply
    114,919.92x = 158,540.76 × 70,182
  4. Step 4: Simplify right side
    114,919.92x = 11,126,707,618.32
  5. Step 5: Solve for x
    x = 11,126,707,618.32/114,919.92
  6. Step 6: Final answer
    x = 96,821.40

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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.