Home / 105,852.88-146,076.40-58,107.04

Finding the Fourth Proportional to 105,852.88, 146,076.40 and 58,107.04

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Solution

The fourth proportional to 105,852.88, 146,076.40 and 58,107.04 is: 80,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,852.88 : 146,076.40 = 58,107.04 : x
  2. Step 2: Convert to fraction form
    105,852.88/146,076.40 = 58,107.04/x
  3. Step 3: Cross multiply
    105,852.88x = 146,076.40 × 58,107.04
  4. Step 4: Simplify right side
    105,852.88x = 8,488,067,217.86
  5. Step 5: Solve for x
    x = 8,488,067,217.86/105,852.88
  6. Step 6: Final answer
    x = 80,187.40

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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.