Home / 112,234.92-154,910.78-64,515.99

Finding the Fourth Proportional to 112,234.92, 154,910.78 and 64,515.99

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Solution

The fourth proportional to 112,234.92, 154,910.78 and 64,515.99 is: 89,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,234.92 : 154,910.78 = 64,515.99 : x
  2. Step 2: Convert to fraction form
    112,234.92/154,910.78 = 64,515.99/x
  3. Step 3: Cross multiply
    112,234.92x = 154,910.78 × 64,515.99
  4. Step 4: Simplify right side
    112,234.92x = 9,994,222,833.64
  5. Step 5: Solve for x
    x = 9,994,222,833.64/112,234.92
  6. Step 6: Final answer
    x = 89,047.36

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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.