Home / 214,835.60-322,253.40-121,523.60

Finding the Fourth Proportional to 214,835.60, 322,253.40 and 121,523.60

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Solution

The fourth proportional to 214,835.60, 322,253.40 and 121,523.60 is: 182,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,835.60 : 322,253.40 = 121,523.60 : x
  2. Step 2: Convert to fraction form
    214,835.60/322,253.40 = 121,523.60/x
  3. Step 3: Cross multiply
    214,835.60x = 322,253.40 × 121,523.60
  4. Step 4: Simplify right side
    214,835.60x = 39,161,393,280.24
  5. Step 5: Solve for x
    x = 39,161,393,280.24/214,835.60
  6. Step 6: Final answer
    x = 182,285.40

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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.