Home / 294,732.12-442,164.60-107,742

Finding the Fourth Proportional to 294,732.12, 442,164.60 and 107,742

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Solution

The fourth proportional to 294,732.12, 442,164.60 and 107,742 is: 161,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,732.12 : 442,164.60 = 107,742 : x
  2. Step 2: Convert to fraction form
    294,732.12/442,164.60 = 107,742/x
  3. Step 3: Cross multiply
    294,732.12x = 442,164.60 × 107,742
  4. Step 4: Simplify right side
    294,732.12x = 47,639,698,333.20
  5. Step 5: Solve for x
    x = 47,639,698,333.20/294,732.12
  6. Step 6: Final answer
    x = 161,637.28

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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.