Home / 213,879.88-295,134.03-127,821.75

Finding the Fourth Proportional to 213,879.88, 295,134.03 and 127,821.75

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Solution

The fourth proportional to 213,879.88, 295,134.03 and 127,821.75 is: 176,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,879.88 : 295,134.03 = 127,821.75 : x
  2. Step 2: Convert to fraction form
    213,879.88/295,134.03 = 127,821.75/x
  3. Step 3: Cross multiply
    213,879.88x = 295,134.03 × 127,821.75
  4. Step 4: Simplify right side
    213,879.88x = 37,724,548,199.15
  5. Step 5: Solve for x
    x = 37,724,548,199.15/213,879.88
  6. Step 6: Final answer
    x = 176,381.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.