Home / 213,853.56-295,131.60-123,207.84

Finding the Fourth Proportional to 213,853.56, 295,131.60 and 123,207.84

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Solution

The fourth proportional to 213,853.56, 295,131.60 and 123,207.84 is: 170,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,853.56 : 295,131.60 = 123,207.84 : x
  2. Step 2: Convert to fraction form
    213,853.56/295,131.60 = 123,207.84/x
  3. Step 3: Cross multiply
    213,853.56x = 295,131.60 × 123,207.84
  4. Step 4: Simplify right side
    213,853.56x = 36,362,526,951.74
  5. Step 5: Solve for x
    x = 36,362,526,951.74/213,853.56
  6. Step 6: Final answer
    x = 170,034.70

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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.