Home / 225,400.74-311,056.84-123,424.57

Finding the Fourth Proportional to 225,400.74, 311,056.84 and 123,424.57

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Solution

The fourth proportional to 225,400.74, 311,056.84 and 123,424.57 is: 170,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,400.74 : 311,056.84 = 123,424.57 : x
  2. Step 2: Convert to fraction form
    225,400.74/311,056.84 = 123,424.57/x
  3. Step 3: Cross multiply
    225,400.74x = 311,056.84 × 123,424.57
  4. Step 4: Simplify right side
    225,400.74x = 38,392,057,265.66
  5. Step 5: Solve for x
    x = 38,392,057,265.66/225,400.74
  6. Step 6: Final answer
    x = 170,328.00

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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.