Home / 110,145.15-165,217.73-104,458.95

Finding the Fourth Proportional to 110,145.15, 165,217.73 and 104,458.95

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Solution

The fourth proportional to 110,145.15, 165,217.73 and 104,458.95 is: 156,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.15 : 165,217.73 = 104,458.95 : x
  2. Step 2: Convert to fraction form
    110,145.15/165,217.73 = 104,458.95/x
  3. Step 3: Cross multiply
    110,145.15x = 165,217.73 × 104,458.95
  4. Step 4: Simplify right side
    110,145.15x = 17,258,470,074.89
  5. Step 5: Solve for x
    x = 17,258,470,074.89/110,145.15
  6. Step 6: Final answer
    x = 156,688.43

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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.