Home / 122,653.23-169,259.38-68,949.01

Finding the Fourth Proportional to 122,653.23, 169,259.38 and 68,949.01

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Solution

The fourth proportional to 122,653.23, 169,259.38 and 68,949.01 is: 95,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,653.23 : 169,259.38 = 68,949.01 : x
  2. Step 2: Convert to fraction form
    122,653.23/169,259.38 = 68,949.01/x
  3. Step 3: Cross multiply
    122,653.23x = 169,259.38 × 68,949.01
  4. Step 4: Simplify right side
    122,653.23x = 11,670,266,684.21
  5. Step 5: Solve for x
    x = 11,670,266,684.21/122,653.23
  6. Step 6: Final answer
    x = 95,148.47

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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.