Home / 190,090.82-262,383.75-109,572.16

Finding the Fourth Proportional to 190,090.82, 262,383.75 and 109,572.16

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Solution

The fourth proportional to 190,090.82, 262,383.75 and 109,572.16 is: 151,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,090.82 : 262,383.75 = 109,572.16 : x
  2. Step 2: Convert to fraction form
    190,090.82/262,383.75 = 109,572.16/x
  3. Step 3: Cross multiply
    190,090.82x = 262,383.75 × 109,572.16
  4. Step 4: Simplify right side
    190,090.82x = 28,749,953,580.44
  5. Step 5: Solve for x
    x = 28,749,953,580.44/190,090.82
  6. Step 6: Final answer
    x = 151,243.25

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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.