Home / 149,653.44-206,557.10-86,028.15

Finding the Fourth Proportional to 149,653.44, 206,557.10 and 86,028.15

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Solution

The fourth proportional to 149,653.44, 206,557.10 and 86,028.15 is: 118,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,653.44 : 206,557.10 = 86,028.15 : x
  2. Step 2: Convert to fraction form
    149,653.44/206,557.10 = 86,028.15/x
  3. Step 3: Cross multiply
    149,653.44x = 206,557.10 × 86,028.15
  4. Step 4: Simplify right side
    149,653.44x = 17,769,725,182.37
  5. Step 5: Solve for x
    x = 17,769,725,182.37/149,653.44
  6. Step 6: Final answer
    x = 118,739.17

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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.