Home / 200,555.12-276,765.96-119,985.92

Finding the Fourth Proportional to 200,555.12, 276,765.96 and 119,985.92

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Solution

The fourth proportional to 200,555.12, 276,765.96 and 119,985.92 is: 165,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,555.12 : 276,765.96 = 119,985.92 : x
  2. Step 2: Convert to fraction form
    200,555.12/276,765.96 = 119,985.92/x
  3. Step 3: Cross multiply
    200,555.12x = 276,765.96 × 119,985.92
  4. Step 4: Simplify right side
    200,555.12x = 33,208,018,335.28
  5. Step 5: Solve for x
    x = 33,208,018,335.28/200,555.12
  6. Step 6: Final answer
    x = 165,580.51

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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.