Home / 189,371.90-284,055.42-54,439.16

Finding the Fourth Proportional to 189,371.90, 284,055.42 and 54,439.16

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Solution

The fourth proportional to 189,371.90, 284,055.42 and 54,439.16 is: 81,658.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.90 : 284,055.42 = 54,439.16 : x
  2. Step 2: Convert to fraction form
    189,371.90/284,055.42 = 54,439.16/x
  3. Step 3: Cross multiply
    189,371.90x = 284,055.42 × 54,439.16
  4. Step 4: Simplify right side
    189,371.90x = 15,463,738,458.25
  5. Step 5: Solve for x
    x = 15,463,738,458.25/189,371.90
  6. Step 6: Final answer
    x = 81,658.04

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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.