Home / 258,643.14-356,810.30-186,909.54

Finding the Fourth Proportional to 258,643.14, 356,810.30 and 186,909.54

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Solution

The fourth proportional to 258,643.14, 356,810.30 and 186,909.54 is: 257,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,643.14 : 356,810.30 = 186,909.54 : x
  2. Step 2: Convert to fraction form
    258,643.14/356,810.30 = 186,909.54/x
  3. Step 3: Cross multiply
    258,643.14x = 356,810.30 × 186,909.54
  4. Step 4: Simplify right side
    258,643.14x = 66,691,248,105.71
  5. Step 5: Solve for x
    x = 66,691,248,105.71/258,643.14
  6. Step 6: Final answer
    x = 257,850.44

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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.