Home / 225,768.16-311,447.28-144,134.56

Finding the Fourth Proportional to 225,768.16, 311,447.28 and 144,134.56

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Solution

The fourth proportional to 225,768.16, 311,447.28 and 144,134.56 is: 198,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,768.16 : 311,447.28 = 144,134.56 : x
  2. Step 2: Convert to fraction form
    225,768.16/311,447.28 = 144,134.56/x
  3. Step 3: Cross multiply
    225,768.16x = 311,447.28 × 144,134.56
  4. Step 4: Simplify right side
    225,768.16x = 44,890,316,666.00
  5. Step 5: Solve for x
    x = 44,890,316,666.00/225,768.16
  6. Step 6: Final answer
    x = 198,833.69

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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.