Home / 214,153.12-321,200.52-56,368.36

Finding the Fourth Proportional to 214,153.12, 321,200.52 and 56,368.36

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Solution

The fourth proportional to 214,153.12, 321,200.52 and 56,368.36 is: 84,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,153.12 : 321,200.52 = 56,368.36 : x
  2. Step 2: Convert to fraction form
    214,153.12/321,200.52 = 56,368.36/x
  3. Step 3: Cross multiply
    214,153.12x = 321,200.52 × 56,368.36
  4. Step 4: Simplify right side
    214,153.12x = 18,105,546,543.55
  5. Step 5: Solve for x
    x = 18,105,546,543.55/214,153.12
  6. Step 6: Final answer
    x = 84,544.86

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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.