Home / 312,106.77-430,584.79-181,262.15

Finding the Fourth Proportional to 312,106.77, 430,584.79 and 181,262.15

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Solution

The fourth proportional to 312,106.77, 430,584.79 and 181,262.15 is: 250,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,106.77 : 430,584.79 = 181,262.15 : x
  2. Step 2: Convert to fraction form
    312,106.77/430,584.79 = 181,262.15/x
  3. Step 3: Cross multiply
    312,106.77x = 430,584.79 × 181,262.15
  4. Step 4: Simplify right side
    312,106.77x = 78,048,724,792.70
  5. Step 5: Solve for x
    x = 78,048,724,792.70/312,106.77
  6. Step 6: Final answer
    x = 250,070.59

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1.5x scale

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.