Home / 220,022.32-303,622.68-119,418.16

Finding the Fourth Proportional to 220,022.32, 303,622.68 and 119,418.16

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Solution

The fourth proportional to 220,022.32, 303,622.68 and 119,418.16 is: 164,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,022.32 : 303,622.68 = 119,418.16 : x
  2. Step 2: Convert to fraction form
    220,022.32/303,622.68 = 119,418.16/x
  3. Step 3: Cross multiply
    220,022.32x = 303,622.68 × 119,418.16
  4. Step 4: Simplify right side
    220,022.32x = 36,258,061,779.87
  5. Step 5: Solve for x
    x = 36,258,061,779.87/220,022.32
  6. Step 6: Final answer
    x = 164,792.65

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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.