Home / 116,270.75-160,455.65-65,286.32

Finding the Fourth Proportional to 116,270.75, 160,455.65 and 65,286.32

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Solution

The fourth proportional to 116,270.75, 160,455.65 and 65,286.32 is: 90,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,270.75 : 160,455.65 = 65,286.32 : x
  2. Step 2: Convert to fraction form
    116,270.75/160,455.65 = 65,286.32/x
  3. Step 3: Cross multiply
    116,270.75x = 160,455.65 × 65,286.32
  4. Step 4: Simplify right side
    116,270.75x = 10,475,557,783.00
  5. Step 5: Solve for x
    x = 10,475,557,783.00/116,270.75
  6. Step 6: Final answer
    x = 90,096.25

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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.