Home / 141,833.04-195,727.28-78,176.80

Finding the Fourth Proportional to 141,833.04, 195,727.28 and 78,176.80

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Solution

The fourth proportional to 141,833.04, 195,727.28 and 78,176.80 is: 107,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,833.04 : 195,727.28 = 78,176.80 : x
  2. Step 2: Convert to fraction form
    141,833.04/195,727.28 = 78,176.80/x
  3. Step 3: Cross multiply
    141,833.04x = 195,727.28 × 78,176.80
  4. Step 4: Simplify right side
    141,833.04x = 15,301,332,423.10
  5. Step 5: Solve for x
    x = 15,301,332,423.10/141,833.04
  6. Step 6: Final answer
    x = 107,882.71

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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.