Home / 183,949.20-253,941.75-120,384.09

Finding the Fourth Proportional to 183,949.20, 253,941.75 and 120,384.09

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Solution

The fourth proportional to 183,949.20, 253,941.75 and 120,384.09 is: 166,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,949.20 : 253,941.75 = 120,384.09 : x
  2. Step 2: Convert to fraction form
    183,949.20/253,941.75 = 120,384.09/x
  3. Step 3: Cross multiply
    183,949.20x = 253,941.75 × 120,384.09
  4. Step 4: Simplify right side
    183,949.20x = 30,570,546,486.76
  5. Step 5: Solve for x
    x = 30,570,546,486.76/183,949.20
  6. Step 6: Final answer
    x = 166,190.16

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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.