Home / 331,316.60-496,586.10-141,776.60

Finding the Fourth Proportional to 331,316.60, 496,586.10 and 141,776.60

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Solution

The fourth proportional to 331,316.60, 496,586.10 and 141,776.60 is: 212,498.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,316.60 : 496,586.10 = 141,776.60 : x
  2. Step 2: Convert to fraction form
    331,316.60/496,586.10 = 141,776.60/x
  3. Step 3: Cross multiply
    331,316.60x = 496,586.10 × 141,776.60
  4. Step 4: Simplify right side
    331,316.60x = 70,404,288,865.26
  5. Step 5: Solve for x
    x = 70,404,288,865.26/331,316.60
  6. Step 6: Final answer
    x = 212,498.53

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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.