Home / 159,110.37-219,580.19-98,700.47

Finding the Fourth Proportional to 159,110.37, 219,580.19 and 98,700.47

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Solution

The fourth proportional to 159,110.37, 219,580.19 and 98,700.47 is: 136,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,110.37 : 219,580.19 = 98,700.47 : x
  2. Step 2: Convert to fraction form
    159,110.37/219,580.19 = 98,700.47/x
  3. Step 3: Cross multiply
    159,110.37x = 219,580.19 × 98,700.47
  4. Step 4: Simplify right side
    159,110.37x = 21,672,667,955.69
  5. Step 5: Solve for x
    x = 21,672,667,955.69/159,110.37
  6. Step 6: Final answer
    x = 136,211.54

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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.