Home / 190,698.94-263,166.87-105,823.90

Finding the Fourth Proportional to 190,698.94, 263,166.87 and 105,823.90

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Solution

The fourth proportional to 190,698.94, 263,166.87 and 105,823.90 is: 146,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,698.94 : 263,166.87 = 105,823.90 : x
  2. Step 2: Convert to fraction form
    190,698.94/263,166.87 = 105,823.90/x
  3. Step 3: Cross multiply
    190,698.94x = 263,166.87 × 105,823.90
  4. Step 4: Simplify right side
    190,698.94x = 27,849,344,534.19
  5. Step 5: Solve for x
    x = 27,849,344,534.19/190,698.94
  6. Step 6: Final answer
    x = 146,038.28

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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.