Home / 141,717.59-195,561.29-78,055.38

Finding the Fourth Proportional to 141,717.59, 195,561.29 and 78,055.38

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Solution

The fourth proportional to 141,717.59, 195,561.29 and 78,055.38 is: 107,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,717.59 : 195,561.29 = 78,055.38 : x
  2. Step 2: Convert to fraction form
    141,717.59/195,561.29 = 78,055.38/x
  3. Step 3: Cross multiply
    141,717.59x = 195,561.29 × 78,055.38
  4. Step 4: Simplify right side
    141,717.59x = 15,264,610,413.96
  5. Step 5: Solve for x
    x = 15,264,610,413.96/141,717.59
  6. Step 6: Final answer
    x = 107,711.48

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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.