Home / 203,880.24-281,345.12-113,242.04

Finding the Fourth Proportional to 203,880.24, 281,345.12 and 113,242.04

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Solution

The fourth proportional to 203,880.24, 281,345.12 and 113,242.04 is: 156,268.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,880.24 : 281,345.12 = 113,242.04 : x
  2. Step 2: Convert to fraction form
    203,880.24/281,345.12 = 113,242.04/x
  3. Step 3: Cross multiply
    203,880.24x = 281,345.12 × 113,242.04
  4. Step 4: Simplify right side
    203,880.24x = 31,860,095,332.84
  5. Step 5: Solve for x
    x = 31,860,095,332.84/203,880.24
  6. Step 6: Final answer
    x = 156,268.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.