Home / 492,727.74-739,085.13-118,747.50

Finding the Fourth Proportional to 492,727.74, 739,085.13 and 118,747.50

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Solution

The fourth proportional to 492,727.74, 739,085.13 and 118,747.50 is: 178,119.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,727.74 : 739,085.13 = 118,747.50 : x
  2. Step 2: Convert to fraction form
    492,727.74/739,085.13 = 118,747.50/x
  3. Step 3: Cross multiply
    492,727.74x = 739,085.13 × 118,747.50
  4. Step 4: Simplify right side
    492,727.74x = 87,764,511,474.68
  5. Step 5: Solve for x
    x = 87,764,511,474.68/492,727.74
  6. Step 6: Final answer
    x = 178,119.69

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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.