Home / 105,927.21-146,182.86-58,180.50

Finding the Fourth Proportional to 105,927.21, 146,182.86 and 58,180.50

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Solution

The fourth proportional to 105,927.21, 146,182.86 and 58,180.50 is: 80,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,927.21 : 146,182.86 = 58,180.50 : x
  2. Step 2: Convert to fraction form
    105,927.21/146,182.86 = 58,180.50/x
  3. Step 3: Cross multiply
    105,927.21x = 146,182.86 × 58,180.50
  4. Step 4: Simplify right side
    105,927.21x = 8,504,991,886.23
  5. Step 5: Solve for x
    x = 8,504,991,886.23/105,927.21
  6. Step 6: Final answer
    x = 80,290.91

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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.