Home / 294,733.20-442,099.80-73,117.20

Finding the Fourth Proportional to 294,733.20, 442,099.80 and 73,117.20

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Solution

The fourth proportional to 294,733.20, 442,099.80 and 73,117.20 is: 109,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,733.20 : 442,099.80 = 73,117.20 : x
  2. Step 2: Convert to fraction form
    294,733.20/442,099.80 = 73,117.20/x
  3. Step 3: Cross multiply
    294,733.20x = 442,099.80 × 73,117.20
  4. Step 4: Simplify right side
    294,733.20x = 32,325,099,496.56
  5. Step 5: Solve for x
    x = 32,325,099,496.56/294,733.20
  6. Step 6: Final answer
    x = 109,675.80

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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.