Home / 225,741.05-311,528.57-127,616.48

Finding the Fourth Proportional to 225,741.05, 311,528.57 and 127,616.48

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Solution

The fourth proportional to 225,741.05, 311,528.57 and 127,616.48 is: 176,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,741.05 : 311,528.57 = 127,616.48 : x
  2. Step 2: Convert to fraction form
    225,741.05/311,528.57 = 127,616.48/x
  3. Step 3: Cross multiply
    225,741.05x = 311,528.57 × 127,616.48
  4. Step 4: Simplify right side
    225,741.05x = 39,756,177,327.11
  5. Step 5: Solve for x
    x = 39,756,177,327.11/225,741.05
  6. Step 6: Final answer
    x = 176,114.08

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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.