Home / 262,476.50-393,777.45-84,983.69

Finding the Fourth Proportional to 262,476.50, 393,777.45 and 84,983.69

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Solution

The fourth proportional to 262,476.50, 393,777.45 and 84,983.69 is: 127,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,476.50 : 393,777.45 = 84,983.69 : x
  2. Step 2: Convert to fraction form
    262,476.50/393,777.45 = 84,983.69/x
  3. Step 3: Cross multiply
    262,476.50x = 393,777.45 × 84,983.69
  4. Step 4: Simplify right side
    262,476.50x = 33,464,661,724.23
  5. Step 5: Solve for x
    x = 33,464,661,724.23/262,476.50
  6. Step 6: Final answer
    x = 127,495.84

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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.