Home / 100,176.60-149,969.64-73,998.24

Finding the Fourth Proportional to 100,176.60, 149,969.64 and 73,998.24

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Solution

The fourth proportional to 100,176.60, 149,969.64 and 73,998.24 is: 110,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,176.60 : 149,969.64 = 73,998.24 : x
  2. Step 2: Convert to fraction form
    100,176.60/149,969.64 = 73,998.24/x
  3. Step 3: Cross multiply
    100,176.60x = 149,969.64 × 73,998.24
  4. Step 4: Simplify right side
    100,176.60x = 11,097,489,413.43
  5. Step 5: Solve for x
    x = 11,097,489,413.43/100,176.60
  6. Step 6: Final answer
    x = 110,779.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.