Home / 226,383.31-312,278.85-141,352.75

Finding the Fourth Proportional to 226,383.31, 312,278.85 and 141,352.75

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Solution

The fourth proportional to 226,383.31, 312,278.85 and 141,352.75 is: 194,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,383.31 : 312,278.85 = 141,352.75 : x
  2. Step 2: Convert to fraction form
    226,383.31/312,278.85 = 141,352.75/x
  3. Step 3: Cross multiply
    226,383.31x = 312,278.85 × 141,352.75
  4. Step 4: Simplify right side
    226,383.31x = 44,141,474,214.34
  5. Step 5: Solve for x
    x = 44,141,474,214.34/226,383.31
  6. Step 6: Final answer
    x = 194,985.55

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1.5x scale

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.