Home / 122,828.21-169,500.96-69,113.19

Finding the Fourth Proportional to 122,828.21, 169,500.96 and 69,113.19

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Solution

The fourth proportional to 122,828.21, 169,500.96 and 69,113.19 is: 95,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,828.21 : 169,500.96 = 69,113.19 : x
  2. Step 2: Convert to fraction form
    122,828.21/169,500.96 = 69,113.19/x
  3. Step 3: Cross multiply
    122,828.21x = 169,500.96 × 69,113.19
  4. Step 4: Simplify right side
    122,828.21x = 11,714,752,053.66
  5. Step 5: Solve for x
    x = 11,714,752,053.66/122,828.21
  6. Step 6: Final answer
    x = 95,375.10

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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.