Home / 328,077.08-492,135.94-103,445.24

Finding the Fourth Proportional to 328,077.08, 492,135.94 and 103,445.24

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Solution

The fourth proportional to 328,077.08, 492,135.94 and 103,445.24 is: 155,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,077.08 : 492,135.94 = 103,445.24 : x
  2. Step 2: Convert to fraction form
    328,077.08/492,135.94 = 103,445.24/x
  3. Step 3: Cross multiply
    328,077.08x = 492,135.94 × 103,445.24
  4. Step 4: Simplify right side
    328,077.08x = 50,909,120,425.93
  5. Step 5: Solve for x
    x = 50,909,120,425.93/328,077.08
  6. Step 6: Final answer
    x = 155,174.27

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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.