Home / 236,815-355,397.84-112,156.36

Finding the Fourth Proportional to 236,815, 355,397.84 and 112,156.36

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Solution

The fourth proportional to 236,815, 355,397.84 and 112,156.36 is: 168,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,815 : 355,397.84 = 112,156.36 : x
  2. Step 2: Convert to fraction form
    236,815/355,397.84 = 112,156.36/x
  3. Step 3: Cross multiply
    236,815x = 355,397.84 × 112,156.36
  4. Step 4: Simplify right side
    236,815x = 39,860,128,086.26
  5. Step 5: Solve for x
    x = 39,860,128,086.26/236,815
  6. Step 6: Final answer
    x = 168,317.58

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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.