Home / 188,301.02-259,868.14-103,418.96

Finding the Fourth Proportional to 188,301.02, 259,868.14 and 103,418.96

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Solution

The fourth proportional to 188,301.02, 259,868.14 and 103,418.96 is: 142,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,301.02 : 259,868.14 = 103,418.96 : x
  2. Step 2: Convert to fraction form
    188,301.02/259,868.14 = 103,418.96/x
  3. Step 3: Cross multiply
    188,301.02x = 259,868.14 × 103,418.96
  4. Step 4: Simplify right side
    188,301.02x = 26,875,292,775.93
  5. Step 5: Solve for x
    x = 26,875,292,775.93/188,301.02
  6. Step 6: Final answer
    x = 142,725.16

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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.