Home / 256,335.52-384,503.20-186,658.24

Finding the Fourth Proportional to 256,335.52, 384,503.20 and 186,658.24

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Solution

The fourth proportional to 256,335.52, 384,503.20 and 186,658.24 is: 279,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,335.52 : 384,503.20 = 186,658.24 : x
  2. Step 2: Convert to fraction form
    256,335.52/384,503.20 = 186,658.24/x
  3. Step 3: Cross multiply
    256,335.52x = 384,503.20 × 186,658.24
  4. Step 4: Simplify right side
    256,335.52x = 71,770,690,586.37
  5. Step 5: Solve for x
    x = 71,770,690,586.37/256,335.52
  6. Step 6: Final answer
    x = 279,987.30

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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.