Home / 226,352.46-312,393.94-129,592.28

Finding the Fourth Proportional to 226,352.46, 312,393.94 and 129,592.28

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Solution

The fourth proportional to 226,352.46, 312,393.94 and 129,592.28 is: 178,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,352.46 : 312,393.94 = 129,592.28 : x
  2. Step 2: Convert to fraction form
    226,352.46/312,393.94 = 129,592.28/x
  3. Step 3: Cross multiply
    226,352.46x = 312,393.94 × 129,592.28
  4. Step 4: Simplify right side
    226,352.46x = 40,483,842,942.78
  5. Step 5: Solve for x
    x = 40,483,842,942.78/226,352.46
  6. Step 6: Final answer
    x = 178,853.12

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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.