Home / 368,448.45-552,724.53-128,527.36

Finding the Fourth Proportional to 368,448.45, 552,724.53 and 128,527.36

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Solution

The fourth proportional to 368,448.45, 552,724.53 and 128,527.36 is: 192,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,448.45 : 552,724.53 = 128,527.36 : x
  2. Step 2: Convert to fraction form
    368,448.45/552,724.53 = 128,527.36/x
  3. Step 3: Cross multiply
    368,448.45x = 552,724.53 × 128,527.36
  4. Step 4: Simplify right side
    368,448.45x = 71,040,222,784.35
  5. Step 5: Solve for x
    x = 71,040,222,784.35/368,448.45
  6. Step 6: Final answer
    x = 192,809.13

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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.