Home / 141,608.93-195,421.91-77,078.57

Finding the Fourth Proportional to 141,608.93, 195,421.91 and 77,078.57

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Solution

The fourth proportional to 141,608.93, 195,421.91 and 77,078.57 is: 106,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,608.93 : 195,421.91 = 77,078.57 : x
  2. Step 2: Convert to fraction form
    141,608.93/195,421.91 = 77,078.57/x
  3. Step 3: Cross multiply
    141,608.93x = 195,421.91 × 77,078.57
  4. Step 4: Simplify right side
    141,608.93x = 15,062,840,006.97
  5. Step 5: Solve for x
    x = 15,062,840,006.97/141,608.93
  6. Step 6: Final answer
    x = 106,369.28

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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.