Home / 339,626.31-468,689.16-186,678.66

Finding the Fourth Proportional to 339,626.31, 468,689.16 and 186,678.66

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Solution

The fourth proportional to 339,626.31, 468,689.16 and 186,678.66 is: 257,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,626.31 : 468,689.16 = 186,678.66 : x
  2. Step 2: Convert to fraction form
    339,626.31/468,689.16 = 186,678.66/x
  3. Step 3: Cross multiply
    339,626.31x = 468,689.16 × 186,678.66
  4. Step 4: Simplify right side
    339,626.31x = 87,494,264,345.33
  5. Step 5: Solve for x
    x = 87,494,264,345.33/339,626.31
  6. Step 6: Final answer
    x = 257,619.22

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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.