Home / 225,981.46-311,853.54-124,008.64

Finding the Fourth Proportional to 225,981.46, 311,853.54 and 124,008.64

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Solution

The fourth proportional to 225,981.46, 311,853.54 and 124,008.64 is: 171,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,981.46 : 311,853.54 = 124,008.64 : x
  2. Step 2: Convert to fraction form
    225,981.46/311,853.54 = 124,008.64/x
  3. Step 3: Cross multiply
    225,981.46x = 311,853.54 × 124,008.64
  4. Step 4: Simplify right side
    225,981.46x = 38,672,533,059.98
  5. Step 5: Solve for x
    x = 38,672,533,059.98/225,981.46
  6. Step 6: Final answer
    x = 171,131.44

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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.