Home / 148,679.54-205,084.43-88,207.37

Finding the Fourth Proportional to 148,679.54, 205,084.43 and 88,207.37

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Solution

The fourth proportional to 148,679.54, 205,084.43 and 88,207.37 is: 121,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,679.54 : 205,084.43 = 88,207.37 : x
  2. Step 2: Convert to fraction form
    148,679.54/205,084.43 = 88,207.37/x
  3. Step 3: Cross multiply
    148,679.54x = 205,084.43 × 88,207.37
  4. Step 4: Simplify right side
    148,679.54x = 18,089,956,731.79
  5. Step 5: Solve for x
    x = 18,089,956,731.79/148,679.54
  6. Step 6: Final answer
    x = 121,670.79

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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.