Home / 151,083.86-208,509.26-83,114.33

Finding the Fourth Proportional to 151,083.86, 208,509.26 and 83,114.33

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Solution

The fourth proportional to 151,083.86, 208,509.26 and 83,114.33 is: 114,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,083.86 : 208,509.26 = 83,114.33 : x
  2. Step 2: Convert to fraction form
    151,083.86/208,509.26 = 83,114.33/x
  3. Step 3: Cross multiply
    151,083.86x = 208,509.26 × 83,114.33
  4. Step 4: Simplify right side
    151,083.86x = 17,330,105,985.58
  5. Step 5: Solve for x
    x = 17,330,105,985.58/151,083.86
  6. Step 6: Final answer
    x = 114,705.21

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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.