Home / 148,841.87-205,400.96-80,858.30

Finding the Fourth Proportional to 148,841.87, 205,400.96 and 80,858.30

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Solution

The fourth proportional to 148,841.87, 205,400.96 and 80,858.30 is: 111,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,841.87 : 205,400.96 = 80,858.30 : x
  2. Step 2: Convert to fraction form
    148,841.87/205,400.96 = 80,858.30/x
  3. Step 3: Cross multiply
    148,841.87x = 205,400.96 × 80,858.30
  4. Step 4: Simplify right side
    148,841.87x = 16,608,371,012.67
  5. Step 5: Solve for x
    x = 16,608,371,012.67/148,841.87
  6. Step 6: Final answer
    x = 111,584.00

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1.5x scale

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.