Home / 199,103.28-274,864.38-134,911.76

Finding the Fourth Proportional to 199,103.28, 274,864.38 and 134,911.76

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Solution

The fourth proportional to 199,103.28, 274,864.38 and 134,911.76 is: 186,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,103.28 : 274,864.38 = 134,911.76 : x
  2. Step 2: Convert to fraction form
    199,103.28/274,864.38 = 134,911.76/x
  3. Step 3: Cross multiply
    199,103.28x = 274,864.38 × 134,911.76
  4. Step 4: Simplify right side
    199,103.28x = 37,082,437,017.20
  5. Step 5: Solve for x
    x = 37,082,437,017.20/199,103.28
  6. Step 6: Final answer
    x = 186,247.24

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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.