Home / 105,899.03-146,141.68-58,153.38

Finding the Fourth Proportional to 105,899.03, 146,141.68 and 58,153.38

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Solution

The fourth proportional to 105,899.03, 146,141.68 and 58,153.38 is: 80,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,899.03 : 146,141.68 = 58,153.38 : x
  2. Step 2: Convert to fraction form
    105,899.03/146,141.68 = 58,153.38/x
  3. Step 3: Cross multiply
    105,899.03x = 146,141.68 × 58,153.38
  4. Step 4: Simplify right side
    105,899.03x = 8,498,632,650.88
  5. Step 5: Solve for x
    x = 8,498,632,650.88/105,899.03
  6. Step 6: Final answer
    x = 80,252.22

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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.