Home / 141,485.32-195,248.79-80,243.16

Finding the Fourth Proportional to 141,485.32, 195,248.79 and 80,243.16

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Solution

The fourth proportional to 141,485.32, 195,248.79 and 80,243.16 is: 110,735.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,485.32 : 195,248.79 = 80,243.16 : x
  2. Step 2: Convert to fraction form
    141,485.32/195,248.79 = 80,243.16/x
  3. Step 3: Cross multiply
    141,485.32x = 195,248.79 × 80,243.16
  4. Step 4: Simplify right side
    141,485.32x = 15,667,379,895.78
  5. Step 5: Solve for x
    x = 15,667,379,895.78/141,485.32
  6. Step 6: Final answer
    x = 110,735.03

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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.