Home / 278,392.05-384,182.10-151,067.64

Finding the Fourth Proportional to 278,392.05, 384,182.10 and 151,067.64

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Solution

The fourth proportional to 278,392.05, 384,182.10 and 151,067.64 is: 208,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,392.05 : 384,182.10 = 151,067.64 : x
  2. Step 2: Convert to fraction form
    278,392.05/384,182.10 = 151,067.64/x
  3. Step 3: Cross multiply
    278,392.05x = 384,182.10 × 151,067.64
  4. Step 4: Simplify right side
    278,392.05x = 58,037,483,177.24
  5. Step 5: Solve for x
    x = 58,037,483,177.24/278,392.05
  6. Step 6: Final answer
    x = 208,473.92

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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.