Home / 351,277.61-526,917.75-85,037.69

Finding the Fourth Proportional to 351,277.61, 526,917.75 and 85,037.69

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Solution

The fourth proportional to 351,277.61, 526,917.75 and 85,037.69 is: 127,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,277.61 : 526,917.75 = 85,037.69 : x
  2. Step 2: Convert to fraction form
    351,277.61/526,917.75 = 85,037.69/x
  3. Step 3: Cross multiply
    351,277.61x = 526,917.75 × 85,037.69
  4. Step 4: Simplify right side
    351,277.61x = 44,807,865,645.41
  5. Step 5: Solve for x
    x = 44,807,865,645.41/351,277.61
  6. Step 6: Final answer
    x = 127,556.85

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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.