Home / 190,139.44-262,395.96-109,553.34

Finding the Fourth Proportional to 190,139.44, 262,395.96 and 109,553.34

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Solution

The fourth proportional to 190,139.44, 262,395.96 and 109,553.34 is: 151,185.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,139.44 : 262,395.96 = 109,553.34 : x
  2. Step 2: Convert to fraction form
    190,139.44/262,395.96 = 109,553.34/x
  3. Step 3: Cross multiply
    190,139.44x = 262,395.96 × 109,553.34
  4. Step 4: Simplify right side
    190,139.44x = 28,746,353,820.51
  5. Step 5: Solve for x
    x = 28,746,353,820.51/190,139.44
  6. Step 6: Final answer
    x = 151,185.64

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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.