Home / 368,982.75-553,464.39-102,732.51

Finding the Fourth Proportional to 368,982.75, 553,464.39 and 102,732.51

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Solution

The fourth proportional to 368,982.75, 553,464.39 and 102,732.51 is: 154,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,982.75 : 553,464.39 = 102,732.51 : x
  2. Step 2: Convert to fraction form
    368,982.75/553,464.39 = 102,732.51/x
  3. Step 3: Cross multiply
    368,982.75x = 553,464.39 × 102,732.51
  4. Step 4: Simplify right side
    368,982.75x = 56,858,785,980.32
  5. Step 5: Solve for x
    x = 56,858,785,980.32/368,982.75
  6. Step 6: Final answer
    x = 154,096.05

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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.