Home / 321,202.96-443,278.03-183,422.56

Finding the Fourth Proportional to 321,202.96, 443,278.03 and 183,422.56

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Solution

The fourth proportional to 321,202.96, 443,278.03 and 183,422.56 is: 253,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,202.96 : 443,278.03 = 183,422.56 : x
  2. Step 2: Convert to fraction form
    321,202.96/443,278.03 = 183,422.56/x
  3. Step 3: Cross multiply
    321,202.96x = 443,278.03 × 183,422.56
  4. Step 4: Simplify right side
    321,202.96x = 81,307,191,054.36
  5. Step 5: Solve for x
    x = 81,307,191,054.36/321,202.96
  6. Step 6: Final answer
    x = 253,133.38

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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.