Home / 149,667.26-206,712.63-109,012.51

Finding the Fourth Proportional to 149,667.26, 206,712.63 and 109,012.51

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Solution

The fourth proportional to 149,667.26, 206,712.63 and 109,012.51 is: 150,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,667.26 : 206,712.63 = 109,012.51 : x
  2. Step 2: Convert to fraction form
    149,667.26/206,712.63 = 109,012.51/x
  3. Step 3: Cross multiply
    149,667.26x = 206,712.63 × 109,012.51
  4. Step 4: Simplify right side
    149,667.26x = 22,534,263,128.10
  5. Step 5: Solve for x
    x = 22,534,263,128.10/149,667.26
  6. Step 6: Final answer
    x = 150,562.41

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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.