Home / 141,436.32-195,183.24-76,905.60

Finding the Fourth Proportional to 141,436.32, 195,183.24 and 76,905.60

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Solution

The fourth proportional to 141,436.32, 195,183.24 and 76,905.60 is: 106,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.32 : 195,183.24 = 76,905.60 : x
  2. Step 2: Convert to fraction form
    141,436.32/195,183.24 = 76,905.60/x
  3. Step 3: Cross multiply
    141,436.32x = 195,183.24 × 76,905.60
  4. Step 4: Simplify right side
    141,436.32x = 15,010,684,182.14
  5. Step 5: Solve for x
    x = 15,010,684,182.14/141,436.32
  6. Step 6: Final answer
    x = 106,130.34

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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.