Home / 294,790.77-442,077.38-105,200.43

Finding the Fourth Proportional to 294,790.77, 442,077.38 and 105,200.43

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Solution

The fourth proportional to 294,790.77, 442,077.38 and 105,200.43 is: 157,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,790.77 : 442,077.38 = 105,200.43 : x
  2. Step 2: Convert to fraction form
    294,790.77/442,077.38 = 105,200.43/x
  3. Step 3: Cross multiply
    294,790.77x = 442,077.38 × 105,200.43
  4. Step 4: Simplify right side
    294,790.77x = 46,506,729,943.27
  5. Step 5: Solve for x
    x = 46,506,729,943.27/294,790.77
  6. Step 6: Final answer
    x = 157,761.83

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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.