Home / 329,079.90-493,517.70-118,690.50

Finding the Fourth Proportional to 329,079.90, 493,517.70 and 118,690.50

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Solution

The fourth proportional to 329,079.90, 493,517.70 and 118,690.50 is: 177,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,079.90 : 493,517.70 = 118,690.50 : x
  2. Step 2: Convert to fraction form
    329,079.90/493,517.70 = 118,690.50/x
  3. Step 3: Cross multiply
    329,079.90x = 493,517.70 × 118,690.50
  4. Step 4: Simplify right side
    329,079.90x = 58,575,862,571.85
  5. Step 5: Solve for x
    x = 58,575,862,571.85/329,079.90
  6. Step 6: Final answer
    x = 177,998.91

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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.