Home / 200,579.09-276,758.24-118,871.35

Finding the Fourth Proportional to 200,579.09, 276,758.24 and 118,871.35

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Solution

The fourth proportional to 200,579.09, 276,758.24 and 118,871.35 is: 164,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,579.09 : 276,758.24 = 118,871.35 : x
  2. Step 2: Convert to fraction form
    200,579.09/276,758.24 = 118,871.35/x
  3. Step 3: Cross multiply
    200,579.09x = 276,758.24 × 118,871.35
  4. Step 4: Simplify right side
    200,579.09x = 32,898,624,326.17
  5. Step 5: Solve for x
    x = 32,898,624,326.17/200,579.09
  6. Step 6: Final answer
    x = 164,018.22

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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.