Home / 285,197.82-393,545.94-170,453.64

Finding the Fourth Proportional to 285,197.82, 393,545.94 and 170,453.64

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Solution

The fourth proportional to 285,197.82, 393,545.94 and 170,453.64 is: 235,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,197.82 : 393,545.94 = 170,453.64 : x
  2. Step 2: Convert to fraction form
    285,197.82/393,545.94 = 170,453.64/x
  3. Step 3: Cross multiply
    285,197.82x = 393,545.94 × 170,453.64
  4. Step 4: Simplify right side
    285,197.82x = 67,081,337,980.22
  5. Step 5: Solve for x
    x = 67,081,337,980.22/285,197.82
  6. Step 6: Final answer
    x = 235,209.86

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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.