Home / 285,517.36-393,835.68-183,675.76

Finding the Fourth Proportional to 285,517.36, 393,835.68 and 183,675.76

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Solution

The fourth proportional to 285,517.36, 393,835.68 and 183,675.76 is: 253,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,517.36 : 393,835.68 = 183,675.76 : x
  2. Step 2: Convert to fraction form
    285,517.36/393,835.68 = 183,675.76/x
  3. Step 3: Cross multiply
    285,517.36x = 393,835.68 × 183,675.76
  4. Step 4: Simplify right side
    285,517.36x = 72,338,067,839.12
  5. Step 5: Solve for x
    x = 72,338,067,839.12/285,517.36
  6. Step 6: Final answer
    x = 253,357.86

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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.