Home / 405,982.32-608,495.91-165,948.13

Finding the Fourth Proportional to 405,982.32, 608,495.91 and 165,948.13

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Solution

The fourth proportional to 405,982.32, 608,495.91 and 165,948.13 is: 248,726.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,982.32 : 608,495.91 = 165,948.13 : x
  2. Step 2: Convert to fraction form
    405,982.32/608,495.91 = 165,948.13/x
  3. Step 3: Cross multiply
    405,982.32x = 608,495.91 × 165,948.13
  4. Step 4: Simplify right side
    405,982.32x = 100,978,758,377.15
  5. Step 5: Solve for x
    x = 100,978,758,377.15/405,982.32
  6. Step 6: Final answer
    x = 248,726.98

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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.