Home / 151,447.77-208,999.32-83,467.17

Finding the Fourth Proportional to 151,447.77, 208,999.32 and 83,467.17

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Solution

The fourth proportional to 151,447.77, 208,999.32 and 83,467.17 is: 115,185.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,447.77 : 208,999.32 = 83,467.17 : x
  2. Step 2: Convert to fraction form
    151,447.77/208,999.32 = 83,467.17/x
  3. Step 3: Cross multiply
    151,447.77x = 208,999.32 × 83,467.17
  4. Step 4: Simplify right side
    151,447.77x = 17,444,581,772.32
  5. Step 5: Solve for x
    x = 17,444,581,772.32/151,447.77
  6. Step 6: Final answer
    x = 115,185.46

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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.