Home / 189,414.36-284,047.32-71,021.16

Finding the Fourth Proportional to 189,414.36, 284,047.32 and 71,021.16

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Solution

The fourth proportional to 189,414.36, 284,047.32 and 71,021.16 is: 106,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.36 : 284,047.32 = 71,021.16 : x
  2. Step 2: Convert to fraction form
    189,414.36/284,047.32 = 71,021.16/x
  3. Step 3: Cross multiply
    189,414.36x = 284,047.32 × 71,021.16
  4. Step 4: Simplify right side
    189,414.36x = 20,173,370,161.29
  5. Step 5: Solve for x
    x = 20,173,370,161.29/189,414.36
  6. Step 6: Final answer
    x = 106,503.91

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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.