Home / 325,848.40-488,748.30-136,259.80

Finding the Fourth Proportional to 325,848.40, 488,748.30 and 136,259.80

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Solution

The fourth proportional to 325,848.40, 488,748.30 and 136,259.80 is: 204,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,848.40 : 488,748.30 = 136,259.80 : x
  2. Step 2: Convert to fraction form
    325,848.40/488,748.30 = 136,259.80/x
  3. Step 3: Cross multiply
    325,848.40x = 488,748.30 × 136,259.80
  4. Step 4: Simplify right side
    325,848.40x = 66,596,745,608.34
  5. Step 5: Solve for x
    x = 66,596,745,608.34/325,848.40
  6. Step 6: Final answer
    x = 204,379.54

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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.