Home / 259,066.32-388,336.92-125,834.28

Finding the Fourth Proportional to 259,066.32, 388,336.92 and 125,834.28

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Solution

The fourth proportional to 259,066.32, 388,336.92 and 125,834.28 is: 188,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,066.32 : 388,336.92 = 125,834.28 : x
  2. Step 2: Convert to fraction form
    259,066.32/388,336.92 = 125,834.28/x
  3. Step 3: Cross multiply
    259,066.32x = 388,336.92 × 125,834.28
  4. Step 4: Simplify right side
    259,066.32x = 48,866,096,725.62
  5. Step 5: Solve for x
    x = 48,866,096,725.62/259,066.32
  6. Step 6: Final answer
    x = 188,623.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.