Home / 214,633.32-321,818.76-102,347.88

Finding the Fourth Proportional to 214,633.32, 321,818.76 and 102,347.88

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Solution

The fourth proportional to 214,633.32, 321,818.76 and 102,347.88 is: 153,459.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,633.32 : 321,818.76 = 102,347.88 : x
  2. Step 2: Convert to fraction form
    214,633.32/321,818.76 = 102,347.88/x
  3. Step 3: Cross multiply
    214,633.32x = 321,818.76 × 102,347.88
  4. Step 4: Simplify right side
    214,633.32x = 32,937,467,830.23
  5. Step 5: Solve for x
    x = 32,937,467,830.23/214,633.32
  6. Step 6: Final answer
    x = 153,459.25

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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.