Home / 105,990.15-146,266.38-58,246.59

Finding the Fourth Proportional to 105,990.15, 146,266.38 and 58,246.59

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Solution

The fourth proportional to 105,990.15, 146,266.38 and 58,246.59 is: 80,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,990.15 : 146,266.38 = 58,246.59 : x
  2. Step 2: Convert to fraction form
    105,990.15/146,266.38 = 58,246.59/x
  3. Step 3: Cross multiply
    105,990.15x = 146,266.38 × 58,246.59
  4. Step 4: Simplify right side
    105,990.15x = 8,519,517,866.64
  5. Step 5: Solve for x
    x = 8,519,517,866.64/105,990.15
  6. Step 6: Final answer
    x = 80,380.28

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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.