Home / 179,670.90-247,945.35-103,194.96

Finding the Fourth Proportional to 179,670.90, 247,945.35 and 103,194.96

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Solution

The fourth proportional to 179,670.90, 247,945.35 and 103,194.96 is: 142,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,670.90 : 247,945.35 = 103,194.96 : x
  2. Step 2: Convert to fraction form
    179,670.90/247,945.35 = 103,194.96/x
  3. Step 3: Cross multiply
    179,670.90x = 247,945.35 × 103,194.96
  4. Step 4: Simplify right side
    179,670.90x = 25,586,710,475.44
  5. Step 5: Solve for x
    x = 25,586,710,475.44/179,670.90
  6. Step 6: Final answer
    x = 142,408.76

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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.