Home / 122,684.63-169,239.17-82,329.01

Finding the Fourth Proportional to 122,684.63, 169,239.17 and 82,329.01

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Solution

The fourth proportional to 122,684.63, 169,239.17 and 82,329.01 is: 113,570.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,684.63 : 169,239.17 = 82,329.01 : x
  2. Step 2: Convert to fraction form
    122,684.63/169,239.17 = 82,329.01/x
  3. Step 3: Cross multiply
    122,684.63x = 169,239.17 × 82,329.01
  4. Step 4: Simplify right side
    122,684.63x = 13,933,293,102.05
  5. Step 5: Solve for x
    x = 13,933,293,102.05/122,684.63
  6. Step 6: Final answer
    x = 113,570.00

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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.