Home / 113,383.20-170,074.80-29,143.20

Finding the Fourth Proportional to 113,383.20, 170,074.80 and 29,143.20

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Solution

The fourth proportional to 113,383.20, 170,074.80 and 29,143.20 is: 43,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.20 : 170,074.80 = 29,143.20 : x
  2. Step 2: Convert to fraction form
    113,383.20/170,074.80 = 29,143.20/x
  3. Step 3: Cross multiply
    113,383.20x = 170,074.80 × 29,143.20
  4. Step 4: Simplify right side
    113,383.20x = 4,956,523,911.36
  5. Step 5: Solve for x
    x = 4,956,523,911.36/113,383.20
  6. Step 6: Final answer
    x = 43,714.80

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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.