Home / 214,979.52-322,527.60-74,749.08

Finding the Fourth Proportional to 214,979.52, 322,527.60 and 74,749.08

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Solution

The fourth proportional to 214,979.52, 322,527.60 and 74,749.08 is: 112,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,979.52 : 322,527.60 = 74,749.08 : x
  2. Step 2: Convert to fraction form
    214,979.52/322,527.60 = 74,749.08/x
  3. Step 3: Cross multiply
    214,979.52x = 322,527.60 × 74,749.08
  4. Step 4: Simplify right side
    214,979.52x = 24,108,641,374.61
  5. Step 5: Solve for x
    x = 24,108,641,374.61/214,979.52
  6. Step 6: Final answer
    x = 112,143.90

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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.