Home / 113,090.40-169,441.20-73,627.20

Finding the Fourth Proportional to 113,090.40, 169,441.20 and 73,627.20

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Solution

The fourth proportional to 113,090.40, 169,441.20 and 73,627.20 is: 110,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,090.40 : 169,441.20 = 73,627.20 : x
  2. Step 2: Convert to fraction form
    113,090.40/169,441.20 = 73,627.20/x
  3. Step 3: Cross multiply
    113,090.40x = 169,441.20 × 73,627.20
  4. Step 4: Simplify right side
    113,090.40x = 12,475,481,120.64
  5. Step 5: Solve for x
    x = 12,475,481,120.64/113,090.40
  6. Step 6: Final answer
    x = 110,314.24

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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.