Home / 150,208.44-207,339.40-86,571.60

Finding the Fourth Proportional to 150,208.44, 207,339.40 and 86,571.60

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Solution

The fourth proportional to 150,208.44, 207,339.40 and 86,571.60 is: 119,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,208.44 : 207,339.40 = 86,571.60 : x
  2. Step 2: Convert to fraction form
    150,208.44/207,339.40 = 86,571.60/x
  3. Step 3: Cross multiply
    150,208.44x = 207,339.40 × 86,571.60
  4. Step 4: Simplify right side
    150,208.44x = 17,949,703,601.04
  5. Step 5: Solve for x
    x = 17,949,703,601.04/150,208.44
  6. Step 6: Final answer
    x = 119,498.64

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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.