Home / 105,890.22-146,133.27-63,447.84

Finding the Fourth Proportional to 105,890.22, 146,133.27 and 63,447.84

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Solution

The fourth proportional to 105,890.22, 146,133.27 and 63,447.84 is: 87,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.22 : 146,133.27 = 63,447.84 : x
  2. Step 2: Convert to fraction form
    105,890.22/146,133.27 = 63,447.84/x
  3. Step 3: Cross multiply
    105,890.22x = 146,133.27 × 63,447.84
  4. Step 4: Simplify right side
    105,890.22x = 9,271,840,333.64
  5. Step 5: Solve for x
    x = 9,271,840,333.64/105,890.22
  6. Step 6: Final answer
    x = 87,560.88

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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.