Home / 189,041.96-283,548.06-82,423.40

Finding the Fourth Proportional to 189,041.96, 283,548.06 and 82,423.40

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Solution

The fourth proportional to 189,041.96, 283,548.06 and 82,423.40 is: 123,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,041.96 : 283,548.06 = 82,423.40 : x
  2. Step 2: Convert to fraction form
    189,041.96/283,548.06 = 82,423.40/x
  3. Step 3: Cross multiply
    189,041.96x = 283,548.06 × 82,423.40
  4. Step 4: Simplify right side
    189,041.96x = 23,370,995,168.60
  5. Step 5: Solve for x
    x = 23,370,995,168.60/189,041.96
  6. Step 6: Final answer
    x = 123,628.61

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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.