Home / 316,766.09-475,099.63-103,532.38

Finding the Fourth Proportional to 316,766.09, 475,099.63 and 103,532.38

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Solution

The fourth proportional to 316,766.09, 475,099.63 and 103,532.38 is: 155,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,766.09 : 475,099.63 = 103,532.38 : x
  2. Step 2: Convert to fraction form
    316,766.09/475,099.63 = 103,532.38/x
  3. Step 3: Cross multiply
    316,766.09x = 475,099.63 × 103,532.38
  4. Step 4: Simplify right side
    316,766.09x = 49,188,193,984.44
  5. Step 5: Solve for x
    x = 49,188,193,984.44/316,766.09
  6. Step 6: Final answer
    x = 155,282.38

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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.