Home / 303,039.36-454,528.80-92,679.12

Finding the Fourth Proportional to 303,039.36, 454,528.80 and 92,679.12

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Solution

The fourth proportional to 303,039.36, 454,528.80 and 92,679.12 is: 139,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,039.36 : 454,528.80 = 92,679.12 : x
  2. Step 2: Convert to fraction form
    303,039.36/454,528.80 = 92,679.12/x
  3. Step 3: Cross multiply
    303,039.36x = 454,528.80 × 92,679.12
  4. Step 4: Simplify right side
    303,039.36x = 42,125,329,198.66
  5. Step 5: Solve for x
    x = 42,125,329,198.66/303,039.36
  6. Step 6: Final answer
    x = 139,009.43

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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.