Home / 190,718.52-263,183.58-105,830.52

Finding the Fourth Proportional to 190,718.52, 263,183.58 and 105,830.52

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Solution

The fourth proportional to 190,718.52, 263,183.58 and 105,830.52 is: 146,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,718.52 : 263,183.58 = 105,830.52 : x
  2. Step 2: Convert to fraction form
    190,718.52/263,183.58 = 105,830.52/x
  3. Step 3: Cross multiply
    190,718.52x = 263,183.58 × 105,830.52
  4. Step 4: Simplify right side
    190,718.52x = 27,852,855,126.86
  5. Step 5: Solve for x
    x = 27,852,855,126.86/190,718.52
  6. Step 6: Final answer
    x = 146,041.69

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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.