Home / 119,538.24-164,893.86-74,748.48

Finding the Fourth Proportional to 119,538.24, 164,893.86 and 74,748.48

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Solution

The fourth proportional to 119,538.24, 164,893.86 and 74,748.48 is: 103,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,538.24 : 164,893.86 = 74,748.48 : x
  2. Step 2: Convert to fraction form
    119,538.24/164,893.86 = 74,748.48/x
  3. Step 3: Cross multiply
    119,538.24x = 164,893.86 × 74,748.48
  4. Step 4: Simplify right side
    119,538.24x = 12,325,565,396.33
  5. Step 5: Solve for x
    x = 12,325,565,396.33/119,538.24
  6. Step 6: Final answer
    x = 103,109.81

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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.