Home / 294,889.14-442,334.85-89,725.80

Finding the Fourth Proportional to 294,889.14, 442,334.85 and 89,725.80

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Solution

The fourth proportional to 294,889.14, 442,334.85 and 89,725.80 is: 134,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,889.14 : 442,334.85 = 89,725.80 : x
  2. Step 2: Convert to fraction form
    294,889.14/442,334.85 = 89,725.80/x
  3. Step 3: Cross multiply
    294,889.14x = 442,334.85 × 89,725.80
  4. Step 4: Simplify right side
    294,889.14x = 39,688,848,614.70
  5. Step 5: Solve for x
    x = 39,688,848,614.70/294,889.14
  6. Step 6: Final answer
    x = 134,589.05

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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.