Home / 194,085.75-291,128.76-53,844.51

Finding the Fourth Proportional to 194,085.75, 291,128.76 and 53,844.51

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Solution

The fourth proportional to 194,085.75, 291,128.76 and 53,844.51 is: 80,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,085.75 : 291,128.76 = 53,844.51 : x
  2. Step 2: Convert to fraction form
    194,085.75/291,128.76 = 53,844.51/x
  3. Step 3: Cross multiply
    194,085.75x = 291,128.76 × 53,844.51
  4. Step 4: Simplify right side
    194,085.75x = 15,675,685,429.11
  5. Step 5: Solve for x
    x = 15,675,685,429.11/194,085.75
  6. Step 6: Final answer
    x = 80,766.80

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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.