Home / 351,171.30-526,823.39-111,345.62

Finding the Fourth Proportional to 351,171.30, 526,823.39 and 111,345.62

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Solution

The fourth proportional to 351,171.30, 526,823.39 and 111,345.62 is: 167,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,171.30 : 526,823.39 = 111,345.62 : x
  2. Step 2: Convert to fraction form
    351,171.30/526,823.39 = 111,345.62/x
  3. Step 3: Cross multiply
    351,171.30x = 526,823.39 × 111,345.62
  4. Step 4: Simplify right side
    351,171.30x = 58,659,473,799.21
  5. Step 5: Solve for x
    x = 58,659,473,799.21/351,171.30
  6. Step 6: Final answer
    x = 167,039.49

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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.