Home / 280,844.33-387,565.19-151,782.42

Finding the Fourth Proportional to 280,844.33, 387,565.19 and 151,782.42

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Solution

The fourth proportional to 280,844.33, 387,565.19 and 151,782.42 is: 209,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,844.33 : 387,565.19 = 151,782.42 : x
  2. Step 2: Convert to fraction form
    280,844.33/387,565.19 = 151,782.42/x
  3. Step 3: Cross multiply
    280,844.33x = 387,565.19 × 151,782.42
  4. Step 4: Simplify right side
    280,844.33x = 58,825,581,687.05
  5. Step 5: Solve for x
    x = 58,825,581,687.05/280,844.33
  6. Step 6: Final answer
    x = 209,459.75

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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.