Home / 141,552.42-195,336.44-77,021.91

Finding the Fourth Proportional to 141,552.42, 195,336.44 and 77,021.91

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Solution

The fourth proportional to 141,552.42, 195,336.44 and 77,021.91 is: 106,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,552.42 : 195,336.44 = 77,021.91 : x
  2. Step 2: Convert to fraction form
    141,552.42/195,336.44 = 77,021.91/x
  3. Step 3: Cross multiply
    141,552.42x = 195,336.44 × 77,021.91
  4. Step 4: Simplify right side
    141,552.42x = 15,045,184,872.61
  5. Step 5: Solve for x
    x = 15,045,184,872.61/141,552.42
  6. Step 6: Final answer
    x = 106,287.02

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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.