Home / 159,108.37-219,577.43-98,698.47

Finding the Fourth Proportional to 159,108.37, 219,577.43 and 98,698.47

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Solution

The fourth proportional to 159,108.37, 219,577.43 and 98,698.47 is: 136,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,108.37 : 219,577.43 = 98,698.47 : x
  2. Step 2: Convert to fraction form
    159,108.37/219,577.43 = 98,698.47/x
  3. Step 3: Cross multiply
    159,108.37x = 219,577.43 × 98,698.47
  4. Step 4: Simplify right side
    159,108.37x = 21,671,956,634.28
  5. Step 5: Solve for x
    x = 21,671,956,634.28/159,108.37
  6. Step 6: Final answer
    x = 136,208.78

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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.