Home / 214,140.92-321,505.62-109,030.52

Finding the Fourth Proportional to 214,140.92, 321,505.62 and 109,030.52

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Solution

The fourth proportional to 214,140.92, 321,505.62 and 109,030.52 is: 163,695.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,140.92 : 321,505.62 = 109,030.52 : x
  2. Step 2: Convert to fraction form
    214,140.92/321,505.62 = 109,030.52/x
  3. Step 3: Cross multiply
    214,140.92x = 321,505.62 × 109,030.52
  4. Step 4: Simplify right side
    214,140.92x = 35,053,924,931.52
  5. Step 5: Solve for x
    x = 35,053,924,931.52/214,140.92
  6. Step 6: Final answer
    x = 163,695.59

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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.