Home / 113,136.63-168,858.39-111,268.41

Finding the Fourth Proportional to 113,136.63, 168,858.39 and 111,268.41

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Solution

The fourth proportional to 113,136.63, 168,858.39 and 111,268.41 is: 166,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.63 : 168,858.39 = 111,268.41 : x
  2. Step 2: Convert to fraction form
    113,136.63/168,858.39 = 111,268.41/x
  3. Step 3: Cross multiply
    113,136.63x = 168,858.39 × 111,268.41
  4. Step 4: Simplify right side
    113,136.63x = 18,788,604,570.46
  5. Step 5: Solve for x
    x = 18,788,604,570.46/113,136.63
  6. Step 6: Final answer
    x = 166,070.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.