Home / 141,728.42-195,585.49-77,197.46

Finding the Fourth Proportional to 141,728.42, 195,585.49 and 77,197.46

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Solution

The fourth proportional to 141,728.42, 195,585.49 and 77,197.46 is: 106,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,728.42 : 195,585.49 = 77,197.46 : x
  2. Step 2: Convert to fraction form
    141,728.42/195,585.49 = 77,197.46/x
  3. Step 3: Cross multiply
    141,728.42x = 195,585.49 × 77,197.46
  4. Step 4: Simplify right side
    141,728.42x = 15,098,701,869.93
  5. Step 5: Solve for x
    x = 15,098,701,869.93/141,728.42
  6. Step 6: Final answer
    x = 106,532.64

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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.