Home / 112,219.92-154,919.58-69,792.12

Finding the Fourth Proportional to 112,219.92, 154,919.58 and 69,792.12

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Solution

The fourth proportional to 112,219.92, 154,919.58 and 69,792.12 is: 96,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219.92 : 154,919.58 = 69,792.12 : x
  2. Step 2: Convert to fraction form
    112,219.92/154,919.58 = 69,792.12/x
  3. Step 3: Cross multiply
    112,219.92x = 154,919.58 × 69,792.12
  4. Step 4: Simplify right side
    112,219.92x = 10,812,165,917.71
  5. Step 5: Solve for x
    x = 10,812,165,917.71/112,219.92
  6. Step 6: Final answer
    x = 96,348.01

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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.