Home / 226,418.40-312,360.48-141,387.84

Finding the Fourth Proportional to 226,418.40, 312,360.48 and 141,387.84

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Solution

The fourth proportional to 226,418.40, 312,360.48 and 141,387.84 is: 195,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,418.40 : 312,360.48 = 141,387.84 : x
  2. Step 2: Convert to fraction form
    226,418.40/312,360.48 = 141,387.84/x
  3. Step 3: Cross multiply
    226,418.40x = 312,360.48 × 141,387.84
  4. Step 4: Simplify right side
    226,418.40x = 44,163,973,568.56
  5. Step 5: Solve for x
    x = 44,163,973,568.56/226,418.40
  6. Step 6: Final answer
    x = 195,054.70

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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.