Home / 228,983.76-315,975.06-127,007.46

Finding the Fourth Proportional to 228,983.76, 315,975.06 and 127,007.46

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Solution

The fourth proportional to 228,983.76, 315,975.06 and 127,007.46 is: 175,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,983.76 : 315,975.06 = 127,007.46 : x
  2. Step 2: Convert to fraction form
    228,983.76/315,975.06 = 127,007.46/x
  3. Step 3: Cross multiply
    228,983.76x = 315,975.06 × 127,007.46
  4. Step 4: Simplify right side
    228,983.76x = 40,131,189,793.95
  5. Step 5: Solve for x
    x = 40,131,189,793.95/228,983.76
  6. Step 6: Final answer
    x = 175,257.80

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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.