Home / 214,931.64-322,646.55-115,286.46

Finding the Fourth Proportional to 214,931.64, 322,646.55 and 115,286.46

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Solution

The fourth proportional to 214,931.64, 322,646.55 and 115,286.46 is: 173,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,931.64 : 322,646.55 = 115,286.46 : x
  2. Step 2: Convert to fraction form
    214,931.64/322,646.55 = 115,286.46/x
  3. Step 3: Cross multiply
    214,931.64x = 322,646.55 × 115,286.46
  4. Step 4: Simplify right side
    214,931.64x = 37,196,778,580.71
  5. Step 5: Solve for x
    x = 37,196,778,580.71/214,931.64
  6. Step 6: Final answer
    x = 173,063.30

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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.