Home / 105,986.94-146,259.03-58,240.27

Finding the Fourth Proportional to 105,986.94, 146,259.03 and 58,240.27

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Solution

The fourth proportional to 105,986.94, 146,259.03 and 58,240.27 is: 80,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.94 : 146,259.03 = 58,240.27 : x
  2. Step 2: Convert to fraction form
    105,986.94/146,259.03 = 58,240.27/x
  3. Step 3: Cross multiply
    105,986.94x = 146,259.03 × 58,240.27
  4. Step 4: Simplify right side
    105,986.94x = 8,518,165,397.14
  5. Step 5: Solve for x
    x = 8,518,165,397.14/105,986.94
  6. Step 6: Final answer
    x = 80,369.95

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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.