Home / 197,429.52-272,452.44-111,388.38

Finding the Fourth Proportional to 197,429.52, 272,452.44 and 111,388.38

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Solution

The fourth proportional to 197,429.52, 272,452.44 and 111,388.38 is: 153,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,429.52 : 272,452.44 = 111,388.38 : x
  2. Step 2: Convert to fraction form
    197,429.52/272,452.44 = 111,388.38/x
  3. Step 3: Cross multiply
    197,429.52x = 272,452.44 × 111,388.38
  4. Step 4: Simplify right side
    197,429.52x = 30,348,035,918.65
  5. Step 5: Solve for x
    x = 30,348,035,918.65/197,429.52
  6. Step 6: Final answer
    x = 153,715.80

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1.5x scale

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.