Home / 214,456.23-321,580.13-64,668.60

Finding the Fourth Proportional to 214,456.23, 321,580.13 and 64,668.60

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Solution

The fourth proportional to 214,456.23, 321,580.13 and 64,668.60 is: 96,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,456.23 : 321,580.13 = 64,668.60 : x
  2. Step 2: Convert to fraction form
    214,456.23/321,580.13 = 64,668.60/x
  3. Step 3: Cross multiply
    214,456.23x = 321,580.13 × 64,668.60
  4. Step 4: Simplify right side
    214,456.23x = 20,796,136,471.58
  5. Step 5: Solve for x
    x = 20,796,136,471.58/214,456.23
  6. Step 6: Final answer
    x = 96,971.47

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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.