Home / 214,285.30-321,402.03-56,526.46

Finding the Fourth Proportional to 214,285.30, 321,402.03 and 56,526.46

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Solution

The fourth proportional to 214,285.30, 321,402.03 and 56,526.46 is: 84,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,285.30 : 321,402.03 = 56,526.46 : x
  2. Step 2: Convert to fraction form
    214,285.30/321,402.03 = 56,526.46/x
  3. Step 3: Cross multiply
    214,285.30x = 321,402.03 × 56,526.46
  4. Step 4: Simplify right side
    214,285.30x = 18,167,718,992.71
  5. Step 5: Solve for x
    x = 18,167,718,992.71/214,285.30
  6. Step 6: Final answer
    x = 84,782.85

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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.