Home / 214,930.52-296,528.49-128,917.34

Finding the Fourth Proportional to 214,930.52, 296,528.49 and 128,917.34

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Solution

The fourth proportional to 214,930.52, 296,528.49 and 128,917.34 is: 177,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,930.52 : 296,528.49 = 128,917.34 : x
  2. Step 2: Convert to fraction form
    214,930.52/296,528.49 = 128,917.34/x
  3. Step 3: Cross multiply
    214,930.52x = 296,528.49 × 128,917.34
  4. Step 4: Simplify right side
    214,930.52x = 38,227,662,682.37
  5. Step 5: Solve for x
    x = 38,227,662,682.37/214,930.52
  6. Step 6: Final answer
    x = 177,860.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.