Home / 202,531.28-303,795.76-82,587.76

Finding the Fourth Proportional to 202,531.28, 303,795.76 and 82,587.76

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Solution

The fourth proportional to 202,531.28, 303,795.76 and 82,587.76 is: 123,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,531.28 : 303,795.76 = 82,587.76 : x
  2. Step 2: Convert to fraction form
    202,531.28/303,795.76 = 82,587.76/x
  3. Step 3: Cross multiply
    202,531.28x = 303,795.76 × 82,587.76
  4. Step 4: Simplify right side
    202,531.28x = 25,089,811,315.90
  5. Step 5: Solve for x
    x = 25,089,811,315.90/202,531.28
  6. Step 6: Final answer
    x = 123,881.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.