Home / 314,528.73-434,067.87-236,865.30

Finding the Fourth Proportional to 314,528.73, 434,067.87 and 236,865.30

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Solution

The fourth proportional to 314,528.73, 434,067.87 and 236,865.30 is: 326,887.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,528.73 : 434,067.87 = 236,865.30 : x
  2. Step 2: Convert to fraction form
    314,528.73/434,067.87 = 236,865.30/x
  3. Step 3: Cross multiply
    314,528.73x = 434,067.87 × 236,865.30
  4. Step 4: Simplify right side
    314,528.73x = 102,815,616,247.91
  5. Step 5: Solve for x
    x = 102,815,616,247.91/314,528.73
  6. Step 6: Final answer
    x = 326,887.84

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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.