Home / 189,331.14-283,133.07-141,333.78

Finding the Fourth Proportional to 189,331.14, 283,133.07 and 141,333.78

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Solution

The fourth proportional to 189,331.14, 283,133.07 and 141,333.78 is: 211,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,331.14 : 283,133.07 = 141,333.78 : x
  2. Step 2: Convert to fraction form
    189,331.14/283,133.07 = 141,333.78/x
  3. Step 3: Cross multiply
    189,331.14x = 283,133.07 × 141,333.78
  4. Step 4: Simplify right side
    189,331.14x = 40,016,267,026.10
  5. Step 5: Solve for x
    x = 40,016,267,026.10/189,331.14
  6. Step 6: Final answer
    x = 211,355.97

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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.