Home / 214,941.95-321,921.30-102,701.02

Finding the Fourth Proportional to 214,941.95, 321,921.30 and 102,701.02

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Solution

The fourth proportional to 214,941.95, 321,921.30 and 102,701.02 is: 153,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,941.95 : 321,921.30 = 102,701.02 : x
  2. Step 2: Convert to fraction form
    214,941.95/321,921.30 = 102,701.02/x
  3. Step 3: Cross multiply
    214,941.95x = 321,921.30 × 102,701.02
  4. Step 4: Simplify right side
    214,941.95x = 33,061,644,260.12
  5. Step 5: Solve for x
    x = 33,061,644,260.12/214,941.95
  6. Step 6: Final answer
    x = 153,816.62

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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.