Home / 328,135.32-492,291.27-103,504.50

Finding the Fourth Proportional to 328,135.32, 492,291.27 and 103,504.50

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Solution

The fourth proportional to 328,135.32, 492,291.27 and 103,504.50 is: 155,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,135.32 : 492,291.27 = 103,504.50 : x
  2. Step 2: Convert to fraction form
    328,135.32/492,291.27 = 103,504.50/x
  3. Step 3: Cross multiply
    328,135.32x = 492,291.27 × 103,504.50
  4. Step 4: Simplify right side
    328,135.32x = 50,954,361,755.72
  5. Step 5: Solve for x
    x = 50,954,361,755.72/328,135.32
  6. Step 6: Final answer
    x = 155,284.60

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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.