Home / 112,282.41-154,975.78-74,048.86

Finding the Fourth Proportional to 112,282.41, 154,975.78 and 74,048.86

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Solution

The fourth proportional to 112,282.41, 154,975.78 and 74,048.86 is: 102,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.41 : 154,975.78 = 74,048.86 : x
  2. Step 2: Convert to fraction form
    112,282.41/154,975.78 = 74,048.86/x
  3. Step 3: Cross multiply
    112,282.41x = 154,975.78 × 74,048.86
  4. Step 4: Simplify right side
    112,282.41x = 11,475,780,122.89
  5. Step 5: Solve for x
    x = 11,475,780,122.89/112,282.41
  6. Step 6: Final answer
    x = 102,204.61

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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.