Home / 149,623.50-206,484.75-82,559.82

Finding the Fourth Proportional to 149,623.50, 206,484.75 and 82,559.82

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Solution

The fourth proportional to 149,623.50, 206,484.75 and 82,559.82 is: 113,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,623.50 : 206,484.75 = 82,559.82 : x
  2. Step 2: Convert to fraction form
    149,623.50/206,484.75 = 82,559.82/x
  3. Step 3: Cross multiply
    149,623.50x = 206,484.75 × 82,559.82
  4. Step 4: Simplify right side
    149,623.50x = 17,047,343,792.75
  5. Step 5: Solve for x
    x = 17,047,343,792.75/149,623.50
  6. Step 6: Final answer
    x = 113,934.94

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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.