Home / 189,426.42-284,065.38-71,033.22

Finding the Fourth Proportional to 189,426.42, 284,065.38 and 71,033.22

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Solution

The fourth proportional to 189,426.42, 284,065.38 and 71,033.22 is: 106,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,426.42 : 284,065.38 = 71,033.22 : x
  2. Step 2: Convert to fraction form
    189,426.42/284,065.38 = 71,033.22/x
  3. Step 3: Cross multiply
    189,426.42x = 284,065.38 × 71,033.22
  4. Step 4: Simplify right side
    189,426.42x = 20,178,078,631.92
  5. Step 5: Solve for x
    x = 20,178,078,631.92/189,426.42
  6. Step 6: Final answer
    x = 106,521.99

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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.