Home / 355,917.96-533,792.58-103,131.48

Finding the Fourth Proportional to 355,917.96, 533,792.58 and 103,131.48

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Solution

The fourth proportional to 355,917.96, 533,792.58 and 103,131.48 is: 154,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,917.96 : 533,792.58 = 103,131.48 : x
  2. Step 2: Convert to fraction form
    355,917.96/533,792.58 = 103,131.48/x
  3. Step 3: Cross multiply
    355,917.96x = 533,792.58 × 103,131.48
  4. Step 4: Simplify right side
    355,917.96x = 55,050,818,788.42
  5. Step 5: Solve for x
    x = 55,050,818,788.42/355,917.96
  6. Step 6: Final answer
    x = 154,672.78

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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.