Home / 192,081.02-265,046.18-111,507.62

Finding the Fourth Proportional to 192,081.02, 265,046.18 and 111,507.62

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Solution

The fourth proportional to 192,081.02, 265,046.18 and 111,507.62 is: 153,865.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,081.02 : 265,046.18 = 111,507.62 : x
  2. Step 2: Convert to fraction form
    192,081.02/265,046.18 = 111,507.62/x
  3. Step 3: Cross multiply
    192,081.02x = 265,046.18 × 111,507.62
  4. Step 4: Simplify right side
    192,081.02x = 29,554,668,721.89
  5. Step 5: Solve for x
    x = 29,554,668,721.89/192,081.02
  6. Step 6: Final answer
    x = 153,865.64

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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.