Home / 122,644.26-169,147.55-86,466.01

Finding the Fourth Proportional to 122,644.26, 169,147.55 and 86,466.01

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Solution

The fourth proportional to 122,644.26, 169,147.55 and 86,466.01 is: 119,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,644.26 : 169,147.55 = 86,466.01 : x
  2. Step 2: Convert to fraction form
    122,644.26/169,147.55 = 86,466.01/x
  3. Step 3: Cross multiply
    122,644.26x = 169,147.55 × 86,466.01
  4. Step 4: Simplify right side
    122,644.26x = 14,625,513,506.09
  5. Step 5: Solve for x
    x = 14,625,513,506.09/122,644.26
  6. Step 6: Final answer
    x = 119,251.51

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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.