Home / 141,792.55-195,608.39-90,780.77

Finding the Fourth Proportional to 141,792.55, 195,608.39 and 90,780.77

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Solution

The fourth proportional to 141,792.55, 195,608.39 and 90,780.77 is: 125,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,792.55 : 195,608.39 = 90,780.77 : x
  2. Step 2: Convert to fraction form
    141,792.55/195,608.39 = 90,780.77/x
  3. Step 3: Cross multiply
    141,792.55x = 195,608.39 × 90,780.77
  4. Step 4: Simplify right side
    141,792.55x = 17,757,480,297.78
  5. Step 5: Solve for x
    x = 17,757,480,297.78/141,792.55
  6. Step 6: Final answer
    x = 125,235.64

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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.