Home / 202,106.20-278,911.04-111,464.88

Finding the Fourth Proportional to 202,106.20, 278,911.04 and 111,464.88

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Solution

The fourth proportional to 202,106.20, 278,911.04 and 111,464.88 is: 153,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,106.20 : 278,911.04 = 111,464.88 : x
  2. Step 2: Convert to fraction form
    202,106.20/278,911.04 = 111,464.88/x
  3. Step 3: Cross multiply
    202,106.20x = 278,911.04 × 111,464.88
  4. Step 4: Simplify right side
    202,106.20x = 31,088,785,604.28
  5. Step 5: Solve for x
    x = 31,088,785,604.28/202,106.20
  6. Step 6: Final answer
    x = 153,824.01

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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.