Home / 105,990.26-146,267.37-58,244.40

Finding the Fourth Proportional to 105,990.26, 146,267.37 and 58,244.40

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Solution

The fourth proportional to 105,990.26, 146,267.37 and 58,244.40 is: 80,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,990.26 : 146,267.37 = 58,244.40 : x
  2. Step 2: Convert to fraction form
    105,990.26/146,267.37 = 58,244.40/x
  3. Step 3: Cross multiply
    105,990.26x = 146,267.37 × 58,244.40
  4. Step 4: Simplify right side
    105,990.26x = 8,519,255,205.23
  5. Step 5: Solve for x
    x = 8,519,255,205.23/105,990.26
  6. Step 6: Final answer
    x = 80,377.72

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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.