Home / 102,774.86-154,172.56-27,896.22

Finding the Fourth Proportional to 102,774.86, 154,172.56 and 27,896.22

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Solution

The fourth proportional to 102,774.86, 154,172.56 and 27,896.22 is: 41,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,774.86 : 154,172.56 = 27,896.22 : x
  2. Step 2: Convert to fraction form
    102,774.86/154,172.56 = 27,896.22/x
  3. Step 3: Cross multiply
    102,774.86x = 154,172.56 × 27,896.22
  4. Step 4: Simplify right side
    102,774.86x = 4,300,831,651.72
  5. Step 5: Solve for x
    x = 4,300,831,651.72/102,774.86
  6. Step 6: Final answer
    x = 41,847.12

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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.