Home / 214,530.18-321,847.28-64,761.52

Finding the Fourth Proportional to 214,530.18, 321,847.28 and 64,761.52

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Solution

The fourth proportional to 214,530.18, 321,847.28 and 64,761.52 is: 97,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,530.18 : 321,847.28 = 64,761.52 : x
  2. Step 2: Convert to fraction form
    214,530.18/321,847.28 = 64,761.52/x
  3. Step 3: Cross multiply
    214,530.18x = 321,847.28 × 64,761.52
  4. Step 4: Simplify right side
    214,530.18x = 20,843,319,060.67
  5. Step 5: Solve for x
    x = 20,843,319,060.67/214,530.18
  6. Step 6: Final answer
    x = 97,157.98

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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.