Home / 111,010.48-166,437.84-40,880.80

Finding the Fourth Proportional to 111,010.48, 166,437.84 and 40,880.80

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Solution

The fourth proportional to 111,010.48, 166,437.84 and 40,880.80 is: 61,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,010.48 : 166,437.84 = 40,880.80 : x
  2. Step 2: Convert to fraction form
    111,010.48/166,437.84 = 40,880.80/x
  3. Step 3: Cross multiply
    111,010.48x = 166,437.84 × 40,880.80
  4. Step 4: Simplify right side
    111,010.48x = 6,804,112,049.47
  5. Step 5: Solve for x
    x = 6,804,112,049.47/111,010.48
  6. Step 6: Final answer
    x = 61,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.