Home / 214,328.27-321,291.25-72,074.07

Finding the Fourth Proportional to 214,328.27, 321,291.25 and 72,074.07

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Solution

The fourth proportional to 214,328.27, 321,291.25 and 72,074.07 is: 108,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,328.27 : 321,291.25 = 72,074.07 : x
  2. Step 2: Convert to fraction form
    214,328.27/321,291.25 = 72,074.07/x
  3. Step 3: Cross multiply
    214,328.27x = 321,291.25 × 72,074.07
  4. Step 4: Simplify right side
    214,328.27x = 23,156,767,682.52
  5. Step 5: Solve for x
    x = 23,156,767,682.52/214,328.27
  6. Step 6: Final answer
    x = 108,043.46

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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.