Home / 113,224.80-169,837.20-100,977.60

Finding the Fourth Proportional to 113,224.80, 169,837.20 and 100,977.60

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Solution

The fourth proportional to 113,224.80, 169,837.20 and 100,977.60 is: 151,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,224.80 : 169,837.20 = 100,977.60 : x
  2. Step 2: Convert to fraction form
    113,224.80/169,837.20 = 100,977.60/x
  3. Step 3: Cross multiply
    113,224.80x = 169,837.20 × 100,977.60
  4. Step 4: Simplify right side
    113,224.80x = 17,149,752,846.72
  5. Step 5: Solve for x
    x = 17,149,752,846.72/113,224.80
  6. Step 6: Final answer
    x = 151,466.40

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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.