Home / 190,197.52-262,475.80-104,155.12

Finding the Fourth Proportional to 190,197.52, 262,475.80 and 104,155.12

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Solution

The fourth proportional to 190,197.52, 262,475.80 and 104,155.12 is: 143,735.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,197.52 : 262,475.80 = 104,155.12 : x
  2. Step 2: Convert to fraction form
    190,197.52/262,475.80 = 104,155.12/x
  3. Step 3: Cross multiply
    190,197.52x = 262,475.80 × 104,155.12
  4. Step 4: Simplify right side
    190,197.52x = 27,338,198,446.10
  5. Step 5: Solve for x
    x = 27,338,198,446.10/190,197.52
  6. Step 6: Final answer
    x = 143,735.83

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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.