Home / 375,280.46-562,979.00-126,020.78

Finding the Fourth Proportional to 375,280.46, 562,979.00 and 126,020.78

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Solution

The fourth proportional to 375,280.46, 562,979.00 and 126,020.78 is: 189,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,280.46 : 562,979.00 = 126,020.78 : x
  2. Step 2: Convert to fraction form
    375,280.46/562,979.00 = 126,020.78/x
  3. Step 3: Cross multiply
    375,280.46x = 562,979.00 × 126,020.78
  4. Step 4: Simplify right side
    375,280.46x = 70,947,052,314.95
  5. Step 5: Solve for x
    x = 70,947,052,314.95/375,280.46
  6. Step 6: Final answer
    x = 189,050.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.