Home / 294,751.07-442,435.80-261,231.55

Finding the Fourth Proportional to 294,751.07, 442,435.80 and 261,231.55

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Solution

The fourth proportional to 294,751.07, 442,435.80 and 261,231.55 is: 392,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,751.07 : 442,435.80 = 261,231.55 : x
  2. Step 2: Convert to fraction form
    294,751.07/442,435.80 = 261,231.55/x
  3. Step 3: Cross multiply
    294,751.07x = 442,435.80 × 261,231.55
  4. Step 4: Simplify right side
    294,751.07x = 115,578,189,683.02
  5. Step 5: Solve for x
    x = 115,578,189,683.02/294,751.07
  6. Step 6: Final answer
    x = 392,121.36

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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.