Home / 325,291.10-448,948.85-187,443.21

Finding the Fourth Proportional to 325,291.10, 448,948.85 and 187,443.21

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Solution

The fourth proportional to 325,291.10, 448,948.85 and 187,443.21 is: 258,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,291.10 : 448,948.85 = 187,443.21 : x
  2. Step 2: Convert to fraction form
    325,291.10/448,948.85 = 187,443.21/x
  3. Step 3: Cross multiply
    325,291.10x = 448,948.85 × 187,443.21
  4. Step 4: Simplify right side
    325,291.10x = 84,152,413,569.81
  5. Step 5: Solve for x
    x = 84,152,413,569.81/325,291.10
  6. Step 6: Final answer
    x = 258,698.79

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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.