Home / 280,324.26-386,843.58-152,997.66

Finding the Fourth Proportional to 280,324.26, 386,843.58 and 152,997.66

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Solution

The fourth proportional to 280,324.26, 386,843.58 and 152,997.66 is: 211,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,324.26 : 386,843.58 = 152,997.66 : x
  2. Step 2: Convert to fraction form
    280,324.26/386,843.58 = 152,997.66/x
  3. Step 3: Cross multiply
    280,324.26x = 386,843.58 × 152,997.66
  4. Step 4: Simplify right side
    280,324.26x = 59,186,162,526.02
  5. Step 5: Solve for x
    x = 59,186,162,526.02/280,324.26
  6. Step 6: Final answer
    x = 211,134.64

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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.