Home / 200,623.60-276,890.04-115,724.08

Finding the Fourth Proportional to 200,623.60, 276,890.04 and 115,724.08

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Solution

The fourth proportional to 200,623.60, 276,890.04 and 115,724.08 is: 159,716.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623.60 : 276,890.04 = 115,724.08 : x
  2. Step 2: Convert to fraction form
    200,623.60/276,890.04 = 115,724.08/x
  3. Step 3: Cross multiply
    200,623.60x = 276,890.04 × 115,724.08
  4. Step 4: Simplify right side
    200,623.60x = 32,042,845,140.16
  5. Step 5: Solve for x
    x = 32,042,845,140.16/200,623.60
  6. Step 6: Final answer
    x = 159,716.23

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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.