Home / 123,325.44-170,189.52-66,736.80

Finding the Fourth Proportional to 123,325.44, 170,189.52 and 66,736.80

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Solution

The fourth proportional to 123,325.44, 170,189.52 and 66,736.80 is: 92,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325.44 : 170,189.52 = 66,736.80 : x
  2. Step 2: Convert to fraction form
    123,325.44/170,189.52 = 66,736.80/x
  3. Step 3: Cross multiply
    123,325.44x = 170,189.52 × 66,736.80
  4. Step 4: Simplify right side
    123,325.44x = 11,357,903,958.34
  5. Step 5: Solve for x
    x = 11,357,903,958.34/123,325.44
  6. Step 6: Final answer
    x = 92,097.01

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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.