Home / 189,012.59-283,293.50-131,776.98

Finding the Fourth Proportional to 189,012.59, 283,293.50 and 131,776.98

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Solution

The fourth proportional to 189,012.59, 283,293.50 and 131,776.98 is: 197,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,012.59 : 283,293.50 = 131,776.98 : x
  2. Step 2: Convert to fraction form
    189,012.59/283,293.50 = 131,776.98/x
  3. Step 3: Cross multiply
    189,012.59x = 283,293.50 × 131,776.98
  4. Step 4: Simplify right side
    189,012.59x = 37,331,560,903.64
  5. Step 5: Solve for x
    x = 37,331,560,903.64/189,012.59
  6. Step 6: Final answer
    x = 197,508.33

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1.5x scale

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.