Home / 105,853.77-146,078.64-58,107.92

Finding the Fourth Proportional to 105,853.77, 146,078.64 and 58,107.92

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Solution

The fourth proportional to 105,853.77, 146,078.64 and 58,107.92 is: 80,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,853.77 : 146,078.64 = 58,107.92 : x
  2. Step 2: Convert to fraction form
    105,853.77/146,078.64 = 58,107.92/x
  3. Step 3: Cross multiply
    105,853.77x = 146,078.64 × 58,107.92
  4. Step 4: Simplify right side
    105,853.77x = 8,488,325,196.44
  5. Step 5: Solve for x
    x = 8,488,325,196.44/105,853.77
  6. Step 6: Final answer
    x = 80,189.16

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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.