Home / 278,839.36-384,801.33-151,514.96

Finding the Fourth Proportional to 278,839.36, 384,801.33 and 151,514.96

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Solution

The fourth proportional to 278,839.36, 384,801.33 and 151,514.96 is: 209,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,839.36 : 384,801.33 = 151,514.96 : x
  2. Step 2: Convert to fraction form
    278,839.36/384,801.33 = 151,514.96/x
  3. Step 3: Cross multiply
    278,839.36x = 384,801.33 × 151,514.96
  4. Step 4: Simplify right side
    278,839.36x = 58,303,156,767.07
  5. Step 5: Solve for x
    x = 58,303,156,767.07/278,839.36
  6. Step 6: Final answer
    x = 209,092.28

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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.