Home / 214,470.09-321,705.17-56,698.56

Finding the Fourth Proportional to 214,470.09, 321,705.17 and 56,698.56

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Solution

The fourth proportional to 214,470.09, 321,705.17 and 56,698.56 is: 85,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,470.09 : 321,705.17 = 56,698.56 : x
  2. Step 2: Convert to fraction form
    214,470.09/321,705.17 = 56,698.56/x
  3. Step 3: Cross multiply
    214,470.09x = 321,705.17 × 56,698.56
  4. Step 4: Simplify right side
    214,470.09x = 18,240,219,600.06
  5. Step 5: Solve for x
    x = 18,240,219,600.06/214,470.09
  6. Step 6: Final answer
    x = 85,047.85

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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.