Home / 190,238.56-262,528.70-109,665.63

Finding the Fourth Proportional to 190,238.56, 262,528.70 and 109,665.63

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Solution

The fourth proportional to 190,238.56, 262,528.70 and 109,665.63 is: 151,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,238.56 : 262,528.70 = 109,665.63 : x
  2. Step 2: Convert to fraction form
    190,238.56/262,528.70 = 109,665.63/x
  3. Step 3: Cross multiply
    190,238.56x = 262,528.70 × 109,665.63
  4. Step 4: Simplify right side
    190,238.56x = 28,790,374,730.25
  5. Step 5: Solve for x
    x = 28,790,374,730.25/190,238.56
  6. Step 6: Final answer
    x = 151,338.27

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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.