Home / 190,129.96-262,407.46-109,542.12

Finding the Fourth Proportional to 190,129.96, 262,407.46 and 109,542.12

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Solution

The fourth proportional to 190,129.96, 262,407.46 and 109,542.12 is: 151,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.96 : 262,407.46 = 109,542.12 : x
  2. Step 2: Convert to fraction form
    190,129.96/262,407.46 = 109,542.12/x
  3. Step 3: Cross multiply
    190,129.96x = 262,407.46 × 109,542.12
  4. Step 4: Simplify right side
    190,129.96x = 28,744,669,472.22
  5. Step 5: Solve for x
    x = 28,744,669,472.22/190,129.96
  6. Step 6: Final answer
    x = 151,184.32

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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.