Home / 190,719.93-263,205.96-105,837.21

Finding the Fourth Proportional to 190,719.93, 263,205.96 and 105,837.21

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Solution

The fourth proportional to 190,719.93, 263,205.96 and 105,837.21 is: 146,062.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,719.93 : 263,205.96 = 105,837.21 : x
  2. Step 2: Convert to fraction form
    190,719.93/263,205.96 = 105,837.21/x
  3. Step 3: Cross multiply
    190,719.93x = 263,205.96 × 105,837.21
  4. Step 4: Simplify right side
    190,719.93x = 27,856,984,461.77
  5. Step 5: Solve for x
    x = 27,856,984,461.77/190,719.93
  6. Step 6: Final answer
    x = 146,062.26

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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.