Home / 214,291.11-321,439.32-147,713.34

Finding the Fourth Proportional to 214,291.11, 321,439.32 and 147,713.34

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Solution

The fourth proportional to 214,291.11, 321,439.32 and 147,713.34 is: 221,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,291.11 : 321,439.32 = 147,713.34 : x
  2. Step 2: Convert to fraction form
    214,291.11/321,439.32 = 147,713.34/x
  3. Step 3: Cross multiply
    214,291.11x = 321,439.32 × 147,713.34
  4. Step 4: Simplify right side
    214,291.11x = 47,480,875,564.53
  5. Step 5: Solve for x
    x = 47,480,875,564.53/214,291.11
  6. Step 6: Final answer
    x = 221,571.84

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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.