Home / 106,521.28-146,996.86-58,774.64

Finding the Fourth Proportional to 106,521.28, 146,996.86 and 58,774.64

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Solution

The fourth proportional to 106,521.28, 146,996.86 and 58,774.64 is: 81,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.28 : 146,996.86 = 58,774.64 : x
  2. Step 2: Convert to fraction form
    106,521.28/146,996.86 = 58,774.64/x
  3. Step 3: Cross multiply
    106,521.28x = 146,996.86 × 58,774.64
  4. Step 4: Simplify right side
    106,521.28x = 8,639,687,527.63
  5. Step 5: Solve for x
    x = 8,639,687,527.63/106,521.28
  6. Step 6: Final answer
    x = 81,107.62

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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.