Home / 113,203.31-169,803.20-28,962.70

Finding the Fourth Proportional to 113,203.31, 169,803.20 and 28,962.70

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Solution

The fourth proportional to 113,203.31, 169,803.20 and 28,962.70 is: 43,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,203.31 : 169,803.20 = 28,962.70 : x
  2. Step 2: Convert to fraction form
    113,203.31/169,803.20 = 28,962.70/x
  3. Step 3: Cross multiply
    113,203.31x = 169,803.20 × 28,962.70
  4. Step 4: Simplify right side
    113,203.31x = 4,917,958,788.54
  5. Step 5: Solve for x
    x = 4,917,958,788.54/113,203.31
  6. Step 6: Final answer
    x = 43,443.60

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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.