Home / 141,349.38-195,056.78-80,925.64

Finding the Fourth Proportional to 141,349.38, 195,056.78 and 80,925.64

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Solution

The fourth proportional to 141,349.38, 195,056.78 and 80,925.64 is: 111,674.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,349.38 : 195,056.78 = 80,925.64 : x
  2. Step 2: Convert to fraction form
    141,349.38/195,056.78 = 80,925.64/x
  3. Step 3: Cross multiply
    141,349.38x = 195,056.78 × 80,925.64
  4. Step 4: Simplify right side
    141,349.38x = 15,785,093,782.56
  5. Step 5: Solve for x
    x = 15,785,093,782.56/141,349.38
  6. Step 6: Final answer
    x = 111,674.31

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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.