Home / 188,127.48-259,613.34-103,244.54

Finding the Fourth Proportional to 188,127.48, 259,613.34 and 103,244.54

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Solution

The fourth proportional to 188,127.48, 259,613.34 and 103,244.54 is: 142,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,127.48 : 259,613.34 = 103,244.54 : x
  2. Step 2: Convert to fraction form
    188,127.48/259,613.34 = 103,244.54/x
  3. Step 3: Cross multiply
    188,127.48x = 259,613.34 × 103,244.54
  4. Step 4: Simplify right side
    188,127.48x = 26,803,658,568.10
  5. Step 5: Solve for x
    x = 26,803,658,568.10/188,127.48
  6. Step 6: Final answer
    x = 142,476.04

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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.