Home / 199,332.32-274,922.88-127,719.32

Finding the Fourth Proportional to 199,332.32, 274,922.88 and 127,719.32

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Solution

The fourth proportional to 199,332.32, 274,922.88 and 127,719.32 is: 176,152.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,332.32 : 274,922.88 = 127,719.32 : x
  2. Step 2: Convert to fraction form
    199,332.32/274,922.88 = 127,719.32/x
  3. Step 3: Cross multiply
    199,332.32x = 274,922.88 × 127,719.32
  4. Step 4: Simplify right side
    199,332.32x = 35,112,963,286.04
  5. Step 5: Solve for x
    x = 35,112,963,286.04/199,332.32
  6. Step 6: Final answer
    x = 176,152.89

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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.