Home / 112,928.36-169,096.61-79,467.26

Finding the Fourth Proportional to 112,928.36, 169,096.61 and 79,467.26

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Solution

The fourth proportional to 112,928.36, 169,096.61 and 79,467.26 is: 118,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,928.36 : 169,096.61 = 79,467.26 : x
  2. Step 2: Convert to fraction form
    112,928.36/169,096.61 = 79,467.26/x
  3. Step 3: Cross multiply
    112,928.36x = 169,096.61 × 79,467.26
  4. Step 4: Simplify right side
    112,928.36x = 13,437,643,625.17
  5. Step 5: Solve for x
    x = 13,437,643,625.17/112,928.36
  6. Step 6: Final answer
    x = 118,992.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.