Home / 111,840.22-154,288.64-66,492.48

Finding the Fourth Proportional to 111,840.22, 154,288.64 and 66,492.48

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Solution

The fourth proportional to 111,840.22, 154,288.64 and 66,492.48 is: 91,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,840.22 : 154,288.64 = 66,492.48 : x
  2. Step 2: Convert to fraction form
    111,840.22/154,288.64 = 66,492.48/x
  3. Step 3: Cross multiply
    111,840.22x = 154,288.64 × 66,492.48
  4. Step 4: Simplify right side
    111,840.22x = 10,259,033,537.98
  5. Step 5: Solve for x
    x = 10,259,033,537.98/111,840.22
  6. Step 6: Final answer
    x = 91,729.38

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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.