Home / 105,911.13-146,252.30-79,006.93

Finding the Fourth Proportional to 105,911.13, 146,252.30 and 79,006.93

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Solution

The fourth proportional to 105,911.13, 146,252.30 and 79,006.93 is: 109,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,911.13 : 146,252.30 = 79,006.93 : x
  2. Step 2: Convert to fraction form
    105,911.13/146,252.30 = 79,006.93/x
  3. Step 3: Cross multiply
    105,911.13x = 146,252.30 × 79,006.93
  4. Step 4: Simplify right side
    105,911.13x = 11,554,945,228.44
  5. Step 5: Solve for x
    x = 11,554,945,228.44/105,911.13
  6. Step 6: Final answer
    x = 109,100.39

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1.5x scale

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.