Home / 243,442.24-335,944.04-136,013.02

Finding the Fourth Proportional to 243,442.24, 335,944.04 and 136,013.02

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Solution

The fourth proportional to 243,442.24, 335,944.04 and 136,013.02 is: 187,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,442.24 : 335,944.04 = 136,013.02 : x
  2. Step 2: Convert to fraction form
    243,442.24/335,944.04 = 136,013.02/x
  3. Step 3: Cross multiply
    243,442.24x = 335,944.04 × 136,013.02
  4. Step 4: Simplify right side
    243,442.24x = 45,692,763,431.40
  5. Step 5: Solve for x
    x = 45,692,763,431.40/243,442.24
  6. Step 6: Final answer
    x = 187,694.48

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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.