Home / 122,255.46-168,712.97-71,303.37

Finding the Fourth Proportional to 122,255.46, 168,712.97 and 71,303.37

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Solution

The fourth proportional to 122,255.46, 168,712.97 and 71,303.37 is: 98,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,255.46 : 168,712.97 = 71,303.37 : x
  2. Step 2: Convert to fraction form
    122,255.46/168,712.97 = 71,303.37/x
  3. Step 3: Cross multiply
    122,255.46x = 168,712.97 × 71,303.37
  4. Step 4: Simplify right side
    122,255.46x = 12,029,802,967.19
  5. Step 5: Solve for x
    x = 12,029,802,967.19/122,255.46
  6. Step 6: Final answer
    x = 98,398.90

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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.