Home / 294,913.18-442,296.51-126,414.40

Finding the Fourth Proportional to 294,913.18, 442,296.51 and 126,414.40

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Solution

The fourth proportional to 294,913.18, 442,296.51 and 126,414.40 is: 189,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,913.18 : 442,296.51 = 126,414.40 : x
  2. Step 2: Convert to fraction form
    294,913.18/442,296.51 = 126,414.40/x
  3. Step 3: Cross multiply
    294,913.18x = 442,296.51 × 126,414.40
  4. Step 4: Simplify right side
    294,913.18x = 55,912,647,933.74
  5. Step 5: Solve for x
    x = 55,912,647,933.74/294,913.18
  6. Step 6: Final answer
    x = 189,590.20

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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.