Home / 379,127.91-568,287.26-189,214.30

Finding the Fourth Proportional to 379,127.91, 568,287.26 and 189,214.30

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Solution

The fourth proportional to 379,127.91, 568,287.26 and 189,214.30 is: 283,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,127.91 : 568,287.26 = 189,214.30 : x
  2. Step 2: Convert to fraction form
    379,127.91/568,287.26 = 189,214.30/x
  3. Step 3: Cross multiply
    379,127.91x = 568,287.26 × 189,214.30
  4. Step 4: Simplify right side
    379,127.91x = 107,528,076,099.82
  5. Step 5: Solve for x
    x = 107,528,076,099.82/379,127.91
  6. Step 6: Final answer
    x = 283,619.52

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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.