Home / 200,566.11-276,784.79-109,916.04

Finding the Fourth Proportional to 200,566.11, 276,784.79 and 109,916.04

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Solution

The fourth proportional to 200,566.11, 276,784.79 and 109,916.04 is: 151,686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,566.11 : 276,784.79 = 109,916.04 : x
  2. Step 2: Convert to fraction form
    200,566.11/276,784.79 = 109,916.04/x
  3. Step 3: Cross multiply
    200,566.11x = 276,784.79 × 109,916.04
  4. Step 4: Simplify right side
    200,566.11x = 30,423,087,499.45
  5. Step 5: Solve for x
    x = 30,423,087,499.45/200,566.11
  6. Step 6: Final answer
    x = 151,686.08

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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.