Home / 294,722.20-442,083.30-73,106.20

Finding the Fourth Proportional to 294,722.20, 442,083.30 and 73,106.20

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Solution

The fourth proportional to 294,722.20, 442,083.30 and 73,106.20 is: 109,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,722.20 : 442,083.30 = 73,106.20 : x
  2. Step 2: Convert to fraction form
    294,722.20/442,083.30 = 73,106.20/x
  3. Step 3: Cross multiply
    294,722.20x = 442,083.30 × 73,106.20
  4. Step 4: Simplify right side
    294,722.20x = 32,319,030,146.46
  5. Step 5: Solve for x
    x = 32,319,030,146.46/294,722.20
  6. Step 6: Final answer
    x = 109,659.30

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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.