Home / 296,917.80-445,376.70-110,002.20

Finding the Fourth Proportional to 296,917.80, 445,376.70 and 110,002.20

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Solution

The fourth proportional to 296,917.80, 445,376.70 and 110,002.20 is: 165,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,917.80 : 445,376.70 = 110,002.20 : x
  2. Step 2: Convert to fraction form
    296,917.80/445,376.70 = 110,002.20/x
  3. Step 3: Cross multiply
    296,917.80x = 445,376.70 × 110,002.20
  4. Step 4: Simplify right side
    296,917.80x = 48,992,416,828.74
  5. Step 5: Solve for x
    x = 48,992,416,828.74/296,917.80
  6. Step 6: Final answer
    x = 165,003.30

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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.