Home / 278,837.24-384,797.74-151,512.85

Finding the Fourth Proportional to 278,837.24, 384,797.74 and 151,512.85

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Solution

The fourth proportional to 278,837.24, 384,797.74 and 151,512.85 is: 209,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,837.24 : 384,797.74 = 151,512.85 : x
  2. Step 2: Convert to fraction form
    278,837.24/384,797.74 = 151,512.85/x
  3. Step 3: Cross multiply
    278,837.24x = 384,797.74 × 151,512.85
  4. Step 4: Simplify right side
    278,837.24x = 58,301,802,260.96
  5. Step 5: Solve for x
    x = 58,301,802,260.96/278,837.24
  6. Step 6: Final answer
    x = 209,089.01

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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.