Home / 278,326.26-384,086.79-151,000.92

Finding the Fourth Proportional to 278,326.26, 384,086.79 and 151,000.92

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Solution

The fourth proportional to 278,326.26, 384,086.79 and 151,000.92 is: 208,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,326.26 : 384,086.79 = 151,000.92 : x
  2. Step 2: Convert to fraction form
    278,326.26/384,086.79 = 151,000.92/x
  3. Step 3: Cross multiply
    278,326.26x = 384,086.79 × 151,000.92
  4. Step 4: Simplify right side
    278,326.26x = 57,997,458,649.85
  5. Step 5: Solve for x
    x = 57,997,458,649.85/278,326.26
  6. Step 6: Final answer
    x = 208,379.40

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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.