Home / 214,612.92-321,882.66-56,857.32

Finding the Fourth Proportional to 214,612.92, 321,882.66 and 56,857.32

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Solution

The fourth proportional to 214,612.92, 321,882.66 and 56,857.32 is: 85,276.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,612.92 : 321,882.66 = 56,857.32 : x
  2. Step 2: Convert to fraction form
    214,612.92/321,882.66 = 56,857.32/x
  3. Step 3: Cross multiply
    214,612.92x = 321,882.66 × 56,857.32
  4. Step 4: Simplify right side
    214,612.92x = 18,301,385,402.07
  5. Step 5: Solve for x
    x = 18,301,385,402.07/214,612.92
  6. Step 6: Final answer
    x = 85,276.25

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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.