Home / 190,363.46-262,703.13-105,481.94

Finding the Fourth Proportional to 190,363.46, 262,703.13 and 105,481.94

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Solution

The fourth proportional to 190,363.46, 262,703.13 and 105,481.94 is: 145,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,363.46 : 262,703.13 = 105,481.94 : x
  2. Step 2: Convert to fraction form
    190,363.46/262,703.13 = 105,481.94/x
  3. Step 3: Cross multiply
    190,363.46x = 262,703.13 × 105,481.94
  4. Step 4: Simplify right side
    190,363.46x = 27,710,435,796.47
  5. Step 5: Solve for x
    x = 27,710,435,796.47/190,363.46
  6. Step 6: Final answer
    x = 145,565.94

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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.