Home / 148,823.07-205,376.31-80,841.09

Finding the Fourth Proportional to 148,823.07, 205,376.31 and 80,841.09

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Solution

The fourth proportional to 148,823.07, 205,376.31 and 80,841.09 is: 111,560.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,823.07 : 205,376.31 = 80,841.09 : x
  2. Step 2: Convert to fraction form
    148,823.07/205,376.31 = 80,841.09/x
  3. Step 3: Cross multiply
    148,823.07x = 205,376.31 × 80,841.09
  4. Step 4: Simplify right side
    148,823.07x = 16,602,844,375.50
  5. Step 5: Solve for x
    x = 16,602,844,375.50/148,823.07
  6. Step 6: Final answer
    x = 111,560.96

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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.