Home / 143,033.85-197,364.40-82,592.87

Finding the Fourth Proportional to 143,033.85, 197,364.40 and 82,592.87

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Solution

The fourth proportional to 143,033.85, 197,364.40 and 82,592.87 is: 113,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,033.85 : 197,364.40 = 82,592.87 : x
  2. Step 2: Convert to fraction form
    143,033.85/197,364.40 = 82,592.87/x
  3. Step 3: Cross multiply
    143,033.85x = 197,364.40 × 82,592.87
  4. Step 4: Simplify right side
    143,033.85x = 16,300,891,038.52
  5. Step 5: Solve for x
    x = 16,300,891,038.52/143,033.85
  6. Step 6: Final answer
    x = 113,965.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.