Home / 190,561.78-262,956.29-110,015.30

Finding the Fourth Proportional to 190,561.78, 262,956.29 and 110,015.30

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Solution

The fourth proportional to 190,561.78, 262,956.29 and 110,015.30 is: 151,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,561.78 : 262,956.29 = 110,015.30 : x
  2. Step 2: Convert to fraction form
    190,561.78/262,956.29 = 110,015.30/x
  3. Step 3: Cross multiply
    190,561.78x = 262,956.29 × 110,015.30
  4. Step 4: Simplify right side
    190,561.78x = 28,929,215,131.24
  5. Step 5: Solve for x
    x = 28,929,215,131.24/190,561.78
  6. Step 6: Final answer
    x = 151,810.16

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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.