Home / 113,539.10-169,980.60-110,258.60

Finding the Fourth Proportional to 113,539.10, 169,980.60 and 110,258.60

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Solution

The fourth proportional to 113,539.10, 169,980.60 and 110,258.60 is: 165,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,539.10 : 169,980.60 = 110,258.60 : x
  2. Step 2: Convert to fraction form
    113,539.10/169,980.60 = 110,258.60/x
  3. Step 3: Cross multiply
    113,539.10x = 169,980.60 × 110,258.60
  4. Step 4: Simplify right side
    113,539.10x = 18,741,822,983.16
  5. Step 5: Solve for x
    x = 18,741,822,983.16/113,539.10
  6. Step 6: Final answer
    x = 165,069.33

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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.