Home / 342,936.74-473,247.54-189,974.45

Finding the Fourth Proportional to 342,936.74, 473,247.54 and 189,974.45

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Solution

The fourth proportional to 342,936.74, 473,247.54 and 189,974.45 is: 262,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,936.74 : 473,247.54 = 189,974.45 : x
  2. Step 2: Convert to fraction form
    342,936.74/473,247.54 = 189,974.45/x
  3. Step 3: Cross multiply
    342,936.74x = 473,247.54 × 189,974.45
  4. Step 4: Simplify right side
    342,936.74x = 89,904,941,125.35
  5. Step 5: Solve for x
    x = 89,904,941,125.35/342,936.74
  6. Step 6: Final answer
    x = 262,161.88

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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.