Home / 193,450.72-266,970.32-107,409.70

Finding the Fourth Proportional to 193,450.72, 266,970.32 and 107,409.70

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Solution

The fourth proportional to 193,450.72, 266,970.32 and 107,409.70 is: 148,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,450.72 : 266,970.32 = 107,409.70 : x
  2. Step 2: Convert to fraction form
    193,450.72/266,970.32 = 107,409.70/x
  3. Step 3: Cross multiply
    193,450.72x = 266,970.32 × 107,409.70
  4. Step 4: Simplify right side
    193,450.72x = 28,675,201,980.10
  5. Step 5: Solve for x
    x = 28,675,201,980.10/193,450.72
  6. Step 6: Final answer
    x = 148,230.01

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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.