Home / 262,636.29-393,921.56-73,110.87

Finding the Fourth Proportional to 262,636.29, 393,921.56 and 73,110.87

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Solution

The fourth proportional to 262,636.29, 393,921.56 and 73,110.87 is: 109,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,636.29 : 393,921.56 = 73,110.87 : x
  2. Step 2: Convert to fraction form
    262,636.29/393,921.56 = 73,110.87/x
  3. Step 3: Cross multiply
    262,636.29x = 393,921.56 × 73,110.87
  4. Step 4: Simplify right side
    262,636.29x = 28,799,945,628.20
  5. Step 5: Solve for x
    x = 28,799,945,628.20/262,636.29
  6. Step 6: Final answer
    x = 109,657.15

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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.