Home / 194,580.75-268,521.80-105,156.75

Finding the Fourth Proportional to 194,580.75, 268,521.80 and 105,156.75

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Solution

The fourth proportional to 194,580.75, 268,521.80 and 105,156.75 is: 145,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,580.75 : 268,521.80 = 105,156.75 : x
  2. Step 2: Convert to fraction form
    194,580.75/268,521.80 = 105,156.75/x
  3. Step 3: Cross multiply
    194,580.75x = 268,521.80 × 105,156.75
  4. Step 4: Simplify right side
    194,580.75x = 28,236,879,792.15
  5. Step 5: Solve for x
    x = 28,236,879,792.15/194,580.75
  6. Step 6: Final answer
    x = 145,116.51

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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.