Home / 325,515.10-488,272.65-168,051.10

Finding the Fourth Proportional to 325,515.10, 488,272.65 and 168,051.10

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Solution

The fourth proportional to 325,515.10, 488,272.65 and 168,051.10 is: 252,076.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,515.10 : 488,272.65 = 168,051.10 : x
  2. Step 2: Convert to fraction form
    325,515.10/488,272.65 = 168,051.10/x
  3. Step 3: Cross multiply
    325,515.10x = 488,272.65 × 168,051.10
  4. Step 4: Simplify right side
    325,515.10x = 82,054,755,932.42
  5. Step 5: Solve for x
    x = 82,054,755,932.42/325,515.10
  6. Step 6: Final answer
    x = 252,076.65

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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.