Home / 192,837.87-266,131.02-111,179.40

Finding the Fourth Proportional to 192,837.87, 266,131.02 and 111,179.40

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Solution

The fourth proportional to 192,837.87, 266,131.02 and 111,179.40 is: 153,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,837.87 : 266,131.02 = 111,179.40 : x
  2. Step 2: Convert to fraction form
    192,837.87/266,131.02 = 111,179.40/x
  3. Step 3: Cross multiply
    192,837.87x = 266,131.02 × 111,179.40
  4. Step 4: Simplify right side
    192,837.87x = 29,588,286,569.09
  5. Step 5: Solve for x
    x = 29,588,286,569.09/192,837.87
  6. Step 6: Final answer
    x = 153,436.08

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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.