Home / 214,499.18-321,813.36-193,339.96

Finding the Fourth Proportional to 214,499.18, 321,813.36 and 193,339.96

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Solution

The fourth proportional to 214,499.18, 321,813.36 and 193,339.96 is: 290,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,499.18 : 321,813.36 = 193,339.96 : x
  2. Step 2: Convert to fraction form
    214,499.18/321,813.36 = 193,339.96/x
  3. Step 3: Cross multiply
    214,499.18x = 321,813.36 × 193,339.96
  4. Step 4: Simplify right side
    214,499.18x = 62,219,381,345.33
  5. Step 5: Solve for x
    x = 62,219,381,345.33/214,499.18
  6. Step 6: Final answer
    x = 290,068.15

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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.