Home / 192,072.06-265,033.35-111,486.78

Finding the Fourth Proportional to 192,072.06, 265,033.35 and 111,486.78

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Solution

The fourth proportional to 192,072.06, 265,033.35 and 111,486.78 is: 153,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,072.06 : 265,033.35 = 111,486.78 : x
  2. Step 2: Convert to fraction form
    192,072.06/265,033.35 = 111,486.78/x
  3. Step 3: Cross multiply
    192,072.06x = 265,033.35 × 111,486.78
  4. Step 4: Simplify right side
    192,072.06x = 29,547,714,784.11
  5. Step 5: Solve for x
    x = 29,547,714,784.11/192,072.06
  6. Step 6: Final answer
    x = 153,836.61

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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.