Home / 105,986.16-146,260.26-58,238.40

Finding the Fourth Proportional to 105,986.16, 146,260.26 and 58,238.40

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Solution

The fourth proportional to 105,986.16, 146,260.26 and 58,238.40 is: 80,368.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.16 : 146,260.26 = 58,238.40 : x
  2. Step 2: Convert to fraction form
    105,986.16/146,260.26 = 58,238.40/x
  3. Step 3: Cross multiply
    105,986.16x = 146,260.26 × 58,238.40
  4. Step 4: Simplify right side
    105,986.16x = 8,517,963,525.98
  5. Step 5: Solve for x
    x = 8,517,963,525.98/105,986.16
  6. Step 6: Final answer
    x = 80,368.64

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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.