Home / 176,481.98-243,554.46-100,015.95

Finding the Fourth Proportional to 176,481.98, 243,554.46 and 100,015.95

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Solution

The fourth proportional to 176,481.98, 243,554.46 and 100,015.95 is: 138,027.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,481.98 : 243,554.46 = 100,015.95 : x
  2. Step 2: Convert to fraction form
    176,481.98/243,554.46 = 100,015.95/x
  3. Step 3: Cross multiply
    176,481.98x = 243,554.46 × 100,015.95
  4. Step 4: Simplify right side
    176,481.98x = 24,359,330,693.64
  5. Step 5: Solve for x
    x = 24,359,330,693.64/176,481.98
  6. Step 6: Final answer
    x = 138,027.30

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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.