Home / 190,189.52-262,464.76-104,147.12

Finding the Fourth Proportional to 190,189.52, 262,464.76 and 104,147.12

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Solution

The fourth proportional to 190,189.52, 262,464.76 and 104,147.12 is: 143,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,189.52 : 262,464.76 = 104,147.12 : x
  2. Step 2: Convert to fraction form
    190,189.52/262,464.76 = 104,147.12/x
  3. Step 3: Cross multiply
    190,189.52x = 262,464.76 × 104,147.12
  4. Step 4: Simplify right side
    190,189.52x = 27,334,948,855.49
  5. Step 5: Solve for x
    x = 27,334,948,855.49/190,189.52
  6. Step 6: Final answer
    x = 143,724.79

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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.