Home / 211,626.34-291,998.73-122,150.50

Finding the Fourth Proportional to 211,626.34, 291,998.73 and 122,150.50

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Solution

The fourth proportional to 211,626.34, 291,998.73 and 122,150.50 is: 168,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,626.34 : 291,998.73 = 122,150.50 : x
  2. Step 2: Convert to fraction form
    211,626.34/291,998.73 = 122,150.50/x
  3. Step 3: Cross multiply
    211,626.34x = 291,998.73 × 122,150.50
  4. Step 4: Simplify right side
    211,626.34x = 35,667,790,868.87
  5. Step 5: Solve for x
    x = 35,667,790,868.87/211,626.34
  6. Step 6: Final answer
    x = 168,541.36

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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.