Home / 193,085.92-289,573.44-66,693.28

Finding the Fourth Proportional to 193,085.92, 289,573.44 and 66,693.28

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Solution

The fourth proportional to 193,085.92, 289,573.44 and 66,693.28 is: 100,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,085.92 : 289,573.44 = 66,693.28 : x
  2. Step 2: Convert to fraction form
    193,085.92/289,573.44 = 66,693.28/x
  3. Step 3: Cross multiply
    193,085.92x = 289,573.44 × 66,693.28
  4. Step 4: Simplify right side
    193,085.92x = 19,312,602,514.48
  5. Step 5: Solve for x
    x = 19,312,602,514.48/193,085.92
  6. Step 6: Final answer
    x = 100,020.77

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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.