Home / 214,291.16-321,614.10-107,705.67

Finding the Fourth Proportional to 214,291.16, 321,614.10 and 107,705.67

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Solution

The fourth proportional to 214,291.16, 321,614.10 and 107,705.67 is: 161,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,291.16 : 321,614.10 = 107,705.67 : x
  2. Step 2: Convert to fraction form
    214,291.16/321,614.10 = 107,705.67/x
  3. Step 3: Cross multiply
    214,291.16x = 321,614.10 × 107,705.67
  4. Step 4: Simplify right side
    214,291.16x = 34,639,661,852.68
  5. Step 5: Solve for x
    x = 34,639,661,852.68/214,291.16
  6. Step 6: Final answer
    x = 161,647.65

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1.5x scale

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.