Home / 226,264.58-312,155.84-145,738.79

Finding the Fourth Proportional to 226,264.58, 312,155.84 and 145,738.79

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Solution

The fourth proportional to 226,264.58, 312,155.84 and 145,738.79 is: 201,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,264.58 : 312,155.84 = 145,738.79 : x
  2. Step 2: Convert to fraction form
    226,264.58/312,155.84 = 145,738.79/x
  3. Step 3: Cross multiply
    226,264.58x = 312,155.84 × 145,738.79
  4. Step 4: Simplify right side
    226,264.58x = 45,493,212,123.56
  5. Step 5: Solve for x
    x = 45,493,212,123.56/226,264.58
  6. Step 6: Final answer
    x = 201,062.01

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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.