Home / 214,527.13-321,838.53-70,439.37

Finding the Fourth Proportional to 214,527.13, 321,838.53 and 70,439.37

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Solution

The fourth proportional to 214,527.13, 321,838.53 and 70,439.37 is: 105,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,527.13 : 321,838.53 = 70,439.37 : x
  2. Step 2: Convert to fraction form
    214,527.13/321,838.53 = 70,439.37/x
  3. Step 3: Cross multiply
    214,527.13x = 321,838.53 × 70,439.37
  4. Step 4: Simplify right side
    214,527.13x = 22,670,102,352.18
  5. Step 5: Solve for x
    x = 22,670,102,352.18/214,527.13
  6. Step 6: Final answer
    x = 105,674.76

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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.