Home / 236,174.07-354,224.59-86,379.33

Finding the Fourth Proportional to 236,174.07, 354,224.59 and 86,379.33

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Solution

The fourth proportional to 236,174.07, 354,224.59 and 86,379.33 is: 129,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,174.07 : 354,224.59 = 86,379.33 : x
  2. Step 2: Convert to fraction form
    236,174.07/354,224.59 = 86,379.33/x
  3. Step 3: Cross multiply
    236,174.07x = 354,224.59 × 86,379.33
  4. Step 4: Simplify right side
    236,174.07x = 30,597,684,352.00
  5. Step 5: Solve for x
    x = 30,597,684,352.00/236,174.07
  6. Step 6: Final answer
    x = 129,555.64

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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.