Home / 112,151.05-154,771.91-64,413.97

Finding the Fourth Proportional to 112,151.05, 154,771.91 and 64,413.97

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Solution

The fourth proportional to 112,151.05, 154,771.91 and 64,413.97 is: 88,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,151.05 : 154,771.91 = 64,413.97 : x
  2. Step 2: Convert to fraction form
    112,151.05/154,771.91 = 64,413.97/x
  3. Step 3: Cross multiply
    112,151.05x = 154,771.91 × 64,413.97
  4. Step 4: Simplify right side
    112,151.05x = 9,969,472,845.51
  5. Step 5: Solve for x
    x = 9,969,472,845.51/112,151.05
  6. Step 6: Final answer
    x = 88,893.26

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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.