Home / 214,461.28-321,693.14-56,688.06

Finding the Fourth Proportional to 214,461.28, 321,693.14 and 56,688.06

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Solution

The fourth proportional to 214,461.28, 321,693.14 and 56,688.06 is: 85,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,461.28 : 321,693.14 = 56,688.06 : x
  2. Step 2: Convert to fraction form
    214,461.28/321,693.14 = 56,688.06/x
  3. Step 3: Cross multiply
    214,461.28x = 321,693.14 × 56,688.06
  4. Step 4: Simplify right side
    214,461.28x = 18,236,160,021.91
  5. Step 5: Solve for x
    x = 18,236,160,021.91/214,461.28
  6. Step 6: Final answer
    x = 85,032.41

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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.