Home / 200,780.10-277,090.61-114,751.76

Finding the Fourth Proportional to 200,780.10, 277,090.61 and 114,751.76

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Solution

The fourth proportional to 200,780.10, 277,090.61 and 114,751.76 is: 158,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,780.10 : 277,090.61 = 114,751.76 : x
  2. Step 2: Convert to fraction form
    200,780.10/277,090.61 = 114,751.76/x
  3. Step 3: Cross multiply
    200,780.10x = 277,090.61 × 114,751.76
  4. Step 4: Simplify right side
    200,780.10x = 31,796,633,217.76
  5. Step 5: Solve for x
    x = 31,796,633,217.76/200,780.10
  6. Step 6: Final answer
    x = 158,365.46

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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.