Home / 197,012.64-295,638.48-78,674.07

Finding the Fourth Proportional to 197,012.64, 295,638.48 and 78,674.07

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Solution

The fourth proportional to 197,012.64, 295,638.48 and 78,674.07 is: 118,058.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,012.64 : 295,638.48 = 78,674.07 : x
  2. Step 2: Convert to fraction form
    197,012.64/295,638.48 = 78,674.07/x
  3. Step 3: Cross multiply
    197,012.64x = 295,638.48 × 78,674.07
  4. Step 4: Simplify right side
    197,012.64x = 23,259,082,470.21
  5. Step 5: Solve for x
    x = 23,259,082,470.21/197,012.64
  6. Step 6: Final answer
    x = 118,058.83

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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.