Home / 197,772.07-296,538.48-77,685.26

Finding the Fourth Proportional to 197,772.07, 296,538.48 and 77,685.26

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Solution

The fourth proportional to 197,772.07, 296,538.48 and 77,685.26 is: 116,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,772.07 : 296,538.48 = 77,685.26 : x
  2. Step 2: Convert to fraction form
    197,772.07/296,538.48 = 77,685.26/x
  3. Step 3: Cross multiply
    197,772.07x = 296,538.48 × 77,685.26
  4. Step 4: Simplify right side
    197,772.07x = 23,036,668,918.80
  5. Step 5: Solve for x
    x = 23,036,668,918.80/197,772.07
  6. Step 6: Final answer
    x = 116,480.90

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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.