Home / 331,637.20-497,560.96-118,400.54

Finding the Fourth Proportional to 331,637.20, 497,560.96 and 118,400.54

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Solution

The fourth proportional to 331,637.20, 497,560.96 and 118,400.54 is: 177,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,637.20 : 497,560.96 = 118,400.54 : x
  2. Step 2: Convert to fraction form
    331,637.20/497,560.96 = 118,400.54/x
  3. Step 3: Cross multiply
    331,637.20x = 497,560.96 × 118,400.54
  4. Step 4: Simplify right side
    331,637.20x = 58,911,486,346.92
  5. Step 5: Solve for x
    x = 58,911,486,346.92/331,637.20
  6. Step 6: Final answer
    x = 177,638.35

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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.