Home / 245,371.24-368,056.92-76,891.54

Finding the Fourth Proportional to 245,371.24, 368,056.92 and 76,891.54

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Solution

The fourth proportional to 245,371.24, 368,056.92 and 76,891.54 is: 115,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,371.24 : 368,056.92 = 76,891.54 : x
  2. Step 2: Convert to fraction form
    245,371.24/368,056.92 = 76,891.54/x
  3. Step 3: Cross multiply
    245,371.24x = 368,056.92 × 76,891.54
  4. Step 4: Simplify right side
    245,371.24x = 28,300,463,386.46
  5. Step 5: Solve for x
    x = 28,300,463,386.46/245,371.24
  6. Step 6: Final answer
    x = 115,337.33

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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.