Home / 225,607.68-311,351.04-125,003.52

Finding the Fourth Proportional to 225,607.68, 311,351.04 and 125,003.52

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Solution

The fourth proportional to 225,607.68, 311,351.04 and 125,003.52 is: 172,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,607.68 : 311,351.04 = 125,003.52 : x
  2. Step 2: Convert to fraction form
    225,607.68/311,351.04 = 125,003.52/x
  3. Step 3: Cross multiply
    225,607.68x = 311,351.04 × 125,003.52
  4. Step 4: Simplify right side
    225,607.68x = 38,919,975,955.66
  5. Step 5: Solve for x
    x = 38,919,975,955.66/225,607.68
  6. Step 6: Final answer
    x = 172,511.75

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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.