Home / 282,682.56-389,690.88-197,535.36

Finding the Fourth Proportional to 282,682.56, 389,690.88 and 197,535.36

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Solution

The fourth proportional to 282,682.56, 389,690.88 and 197,535.36 is: 272,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,682.56 : 389,690.88 = 197,535.36 : x
  2. Step 2: Convert to fraction form
    282,682.56/389,690.88 = 197,535.36/x
  3. Step 3: Cross multiply
    282,682.56x = 389,690.88 × 197,535.36
  4. Step 4: Simplify right side
    282,682.56x = 76,977,728,269.52
  5. Step 5: Solve for x
    x = 76,977,728,269.52/282,682.56
  6. Step 6: Final answer
    x = 272,311.56

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1.5x scale

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.