Home / 123,302.36-170,157.84-69,589.64

Finding the Fourth Proportional to 123,302.36, 170,157.84 and 69,589.64

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Solution

The fourth proportional to 123,302.36, 170,157.84 and 69,589.64 is: 96,034.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.36 : 170,157.84 = 69,589.64 : x
  2. Step 2: Convert to fraction form
    123,302.36/170,157.84 = 69,589.64/x
  3. Step 3: Cross multiply
    123,302.36x = 170,157.84 × 69,589.64
  4. Step 4: Simplify right side
    123,302.36x = 11,841,222,828.78
  5. Step 5: Solve for x
    x = 11,841,222,828.78/123,302.36
  6. Step 6: Final answer
    x = 96,034.03

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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.