Home / 325,817.10-488,725.65-156,822.75

Finding the Fourth Proportional to 325,817.10, 488,725.65 and 156,822.75

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Solution

The fourth proportional to 325,817.10, 488,725.65 and 156,822.75 is: 235,234.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,817.10 : 488,725.65 = 156,822.75 : x
  2. Step 2: Convert to fraction form
    325,817.10/488,725.65 = 156,822.75/x
  3. Step 3: Cross multiply
    325,817.10x = 488,725.65 × 156,822.75
  4. Step 4: Simplify right side
    325,817.10x = 76,643,300,428.54
  5. Step 5: Solve for x
    x = 76,643,300,428.54/325,817.10
  6. Step 6: Final answer
    x = 235,234.13

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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.