Home / 193,176-266,583.84-112,659.36

Finding the Fourth Proportional to 193,176, 266,583.84 and 112,659.36

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Solution

The fourth proportional to 193,176, 266,583.84 and 112,659.36 is: 155,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,176 : 266,583.84 = 112,659.36 : x
  2. Step 2: Convert to fraction form
    193,176/266,583.84 = 112,659.36/x
  3. Step 3: Cross multiply
    193,176x = 266,583.84 × 112,659.36
  4. Step 4: Simplify right side
    193,176x = 30,033,164,800.74
  5. Step 5: Solve for x
    x = 30,033,164,800.74/193,176
  6. Step 6: Final answer
    x = 155,470.48

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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.