Home / 104,744.16-155,931.75-104,121.54

Finding the Fourth Proportional to 104,744.16, 155,931.75 and 104,121.54

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Solution

The fourth proportional to 104,744.16, 155,931.75 and 104,121.54 is: 155,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,744.16 : 155,931.75 = 104,121.54 : x
  2. Step 2: Convert to fraction form
    104,744.16/155,931.75 = 104,121.54/x
  3. Step 3: Cross multiply
    104,744.16x = 155,931.75 × 104,121.54
  4. Step 4: Simplify right side
    104,744.16x = 16,235,853,944.90
  5. Step 5: Solve for x
    x = 16,235,853,944.90/104,744.16
  6. Step 6: Final answer
    x = 155,004.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.