Home / 548,035.12-821,955.78-148,707.01

Finding the Fourth Proportional to 548,035.12, 821,955.78 and 148,707.01

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Solution

The fourth proportional to 548,035.12, 821,955.78 and 148,707.01 is: 223,034.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,035.12 : 821,955.78 = 148,707.01 : x
  2. Step 2: Convert to fraction form
    548,035.12/821,955.78 = 148,707.01/x
  3. Step 3: Cross multiply
    548,035.12x = 821,955.78 × 148,707.01
  4. Step 4: Simplify right side
    548,035.12x = 122,230,586,396.02
  5. Step 5: Solve for x
    x = 122,230,586,396.02/548,035.12
  6. Step 6: Final answer
    x = 223,034.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.