Home / 122,714.92-183,990.38-99,051.58

Finding the Fourth Proportional to 122,714.92, 183,990.38 and 99,051.58

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Solution

The fourth proportional to 122,714.92, 183,990.38 and 99,051.58 is: 148,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,714.92 : 183,990.38 = 99,051.58 : x
  2. Step 2: Convert to fraction form
    122,714.92/183,990.38 = 99,051.58/x
  3. Step 3: Cross multiply
    122,714.92x = 183,990.38 × 99,051.58
  4. Step 4: Simplify right side
    122,714.92x = 18,224,537,843.80
  5. Step 5: Solve for x
    x = 18,224,537,843.80/122,714.92
  6. Step 6: Final answer
    x = 148,511.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.