Home / 151,448.06-208,999.78-83,467.53

Finding the Fourth Proportional to 151,448.06, 208,999.78 and 83,467.53

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Solution

The fourth proportional to 151,448.06, 208,999.78 and 83,467.53 is: 115,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,448.06 : 208,999.78 = 83,467.53 : x
  2. Step 2: Convert to fraction form
    151,448.06/208,999.78 = 83,467.53/x
  3. Step 3: Cross multiply
    151,448.06x = 208,999.78 × 83,467.53
  4. Step 4: Simplify right side
    151,448.06x = 17,444,695,198.47
  5. Step 5: Solve for x
    x = 17,444,695,198.47/151,448.06
  6. Step 6: Final answer
    x = 115,185.99

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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.