Home / 495,083.62-742,653.90-140,067.88

Finding the Fourth Proportional to 495,083.62, 742,653.90 and 140,067.88

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Solution

The fourth proportional to 495,083.62, 742,653.90 and 140,067.88 is: 210,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,083.62 : 742,653.90 = 140,067.88 : x
  2. Step 2: Convert to fraction form
    495,083.62/742,653.90 = 140,067.88/x
  3. Step 3: Cross multiply
    495,083.62x = 742,653.90 × 140,067.88
  4. Step 4: Simplify right side
    495,083.62x = 104,021,957,346.73
  5. Step 5: Solve for x
    x = 104,021,957,346.73/495,083.62
  6. Step 6: Final answer
    x = 210,109.87

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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.