Home / 245,795.11-368,712.69-68,302.15

Finding the Fourth Proportional to 245,795.11, 368,712.69 and 68,302.15

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Solution

The fourth proportional to 245,795.11, 368,712.69 and 68,302.15 is: 102,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,795.11 : 368,712.69 = 68,302.15 : x
  2. Step 2: Convert to fraction form
    245,795.11/368,712.69 = 68,302.15/x
  3. Step 3: Cross multiply
    245,795.11x = 368,712.69 × 68,302.15
  4. Step 4: Simplify right side
    245,795.11x = 25,183,869,459.28
  5. Step 5: Solve for x
    x = 25,183,869,459.28/245,795.11
  6. Step 6: Final answer
    x = 102,458.79

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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.