Home / 209,258.46-288,778.50-113,765.22

Finding the Fourth Proportional to 209,258.46, 288,778.50 and 113,765.22

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Solution

The fourth proportional to 209,258.46, 288,778.50 and 113,765.22 is: 156,997.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,258.46 : 288,778.50 = 113,765.22 : x
  2. Step 2: Convert to fraction form
    209,258.46/288,778.50 = 113,765.22/x
  3. Step 3: Cross multiply
    209,258.46x = 288,778.50 × 113,765.22
  4. Step 4: Simplify right side
    209,258.46x = 32,852,949,583.77
  5. Step 5: Solve for x
    x = 32,852,949,583.77/209,258.46
  6. Step 6: Final answer
    x = 156,997.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.