Home / 148,548.12-205,022.60-88,152.06

Finding the Fourth Proportional to 148,548.12, 205,022.60 and 88,152.06

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Solution

The fourth proportional to 148,548.12, 205,022.60 and 88,152.06 is: 121,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,548.12 : 205,022.60 = 88,152.06 : x
  2. Step 2: Convert to fraction form
    148,548.12/205,022.60 = 88,152.06/x
  3. Step 3: Cross multiply
    148,548.12x = 205,022.60 × 88,152.06
  4. Step 4: Simplify right side
    148,548.12x = 18,073,164,536.56
  5. Step 5: Solve for x
    x = 18,073,164,536.56/148,548.12
  6. Step 6: Final answer
    x = 121,665.39

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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.