Home / 148,668.46-205,232.28-99,693.44

Finding the Fourth Proportional to 148,668.46, 205,232.28 and 99,693.44

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Solution

The fourth proportional to 148,668.46, 205,232.28 and 99,693.44 is: 137,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,668.46 : 205,232.28 = 99,693.44 : x
  2. Step 2: Convert to fraction form
    148,668.46/205,232.28 = 99,693.44/x
  3. Step 3: Cross multiply
    148,668.46x = 205,232.28 × 99,693.44
  4. Step 4: Simplify right side
    148,668.46x = 20,460,311,992.24
  5. Step 5: Solve for x
    x = 20,460,311,992.24/148,668.46
  6. Step 6: Final answer
    x = 137,623.76

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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.