Home / 170,999.99-236,131.30-106,579.18

Finding the Fourth Proportional to 170,999.99, 236,131.30 and 106,579.18

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Solution

The fourth proportional to 170,999.99, 236,131.30 and 106,579.18 is: 147,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.99 : 236,131.30 = 106,579.18 : x
  2. Step 2: Convert to fraction form
    170,999.99/236,131.30 = 106,579.18/x
  3. Step 3: Cross multiply
    170,999.99x = 236,131.30 × 106,579.18
  4. Step 4: Simplify right side
    170,999.99x = 25,166,679,145.68
  5. Step 5: Solve for x
    x = 25,166,679,145.68/170,999.99
  6. Step 6: Final answer
    x = 147,173.57

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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.