Home / 325,829.10-488,889.45-148,244.70

Finding the Fourth Proportional to 325,829.10, 488,889.45 and 148,244.70

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Solution

The fourth proportional to 325,829.10, 488,889.45 and 148,244.70 is: 222,433.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.10 : 488,889.45 = 148,244.70 : x
  2. Step 2: Convert to fraction form
    325,829.10/488,889.45 = 148,244.70/x
  3. Step 3: Cross multiply
    325,829.10x = 488,889.45 × 148,244.70
  4. Step 4: Simplify right side
    325,829.10x = 72,475,269,848.42
  5. Step 5: Solve for x
    x = 72,475,269,848.42/325,829.10
  6. Step 6: Final answer
    x = 222,433.39

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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.