Home / 188,324.28-282,485.91-68,381.00

Finding the Fourth Proportional to 188,324.28, 282,485.91 and 68,381.00

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Solution

The fourth proportional to 188,324.28, 282,485.91 and 68,381.00 is: 102,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,324.28 : 282,485.91 = 68,381.00 : x
  2. Step 2: Convert to fraction form
    188,324.28/282,485.91 = 68,381.00/x
  3. Step 3: Cross multiply
    188,324.28x = 282,485.91 × 68,381.00
  4. Step 4: Simplify right side
    188,324.28x = 19,316,667,940.82
  5. Step 5: Solve for x
    x = 19,316,667,940.82/188,324.28
  6. Step 6: Final answer
    x = 102,571.31

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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.