Home / 119,226.96-164,560.32-78,942.24

Finding the Fourth Proportional to 119,226.96, 164,560.32 and 78,942.24

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Solution

The fourth proportional to 119,226.96, 164,560.32 and 78,942.24 is: 108,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,226.96 : 164,560.32 = 78,942.24 : x
  2. Step 2: Convert to fraction form
    119,226.96/164,560.32 = 78,942.24/x
  3. Step 3: Cross multiply
    119,226.96x = 164,560.32 × 78,942.24
  4. Step 4: Simplify right side
    119,226.96x = 12,990,760,275.92
  5. Step 5: Solve for x
    x = 12,990,760,275.92/119,226.96
  6. Step 6: Final answer
    x = 108,958.24

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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.