Home / 104,391.12-156,586.68-73,364.88

Finding the Fourth Proportional to 104,391.12, 156,586.68 and 73,364.88

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Solution

The fourth proportional to 104,391.12, 156,586.68 and 73,364.88 is: 110,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,391.12 : 156,586.68 = 73,364.88 : x
  2. Step 2: Convert to fraction form
    104,391.12/156,586.68 = 73,364.88/x
  3. Step 3: Cross multiply
    104,391.12x = 156,586.68 × 73,364.88
  4. Step 4: Simplify right side
    104,391.12x = 11,487,962,987.80
  5. Step 5: Solve for x
    x = 11,487,962,987.80/104,391.12
  6. Step 6: Final answer
    x = 110,047.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.