Home / 199,322.32-274,909.08-127,709.32

Finding the Fourth Proportional to 199,322.32, 274,909.08 and 127,709.32

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Solution

The fourth proportional to 199,322.32, 274,909.08 and 127,709.32 is: 176,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,322.32 : 274,909.08 = 127,709.32 : x
  2. Step 2: Convert to fraction form
    199,322.32/274,909.08 = 127,709.32/x
  3. Step 3: Cross multiply
    199,322.32x = 274,909.08 × 127,709.32
  4. Step 4: Simplify right side
    199,322.32x = 35,108,451,668.63
  5. Step 5: Solve for x
    x = 35,108,451,668.63/199,322.32
  6. Step 6: Final answer
    x = 176,139.09

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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.