Home / 213,789.08-295,027.03-127,743.39

Finding the Fourth Proportional to 213,789.08, 295,027.03 and 127,743.39

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Solution

The fourth proportional to 213,789.08, 295,027.03 and 127,743.39 is: 176,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,789.08 : 295,027.03 = 127,743.39 : x
  2. Step 2: Convert to fraction form
    213,789.08/295,027.03 = 127,743.39/x
  3. Step 3: Cross multiply
    213,789.08x = 295,027.03 × 127,743.39
  4. Step 4: Simplify right side
    213,789.08x = 37,687,752,953.83
  5. Step 5: Solve for x
    x = 37,687,752,953.83/213,789.08
  6. Step 6: Final answer
    x = 176,284.74

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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.