Home / 132,893.22-183,413.69-79,209.39

Finding the Fourth Proportional to 132,893.22, 183,413.69 and 79,209.39

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Solution

The fourth proportional to 132,893.22, 183,413.69 and 79,209.39 is: 109,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,893.22 : 183,413.69 = 79,209.39 : x
  2. Step 2: Convert to fraction form
    132,893.22/183,413.69 = 79,209.39/x
  3. Step 3: Cross multiply
    132,893.22x = 183,413.69 × 79,209.39
  4. Step 4: Simplify right side
    132,893.22x = 14,528,086,106.50
  5. Step 5: Solve for x
    x = 14,528,086,106.50/132,893.22
  6. Step 6: Final answer
    x = 109,321.50

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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.