Home / 257,573.10-355,584.40-200,083.62

Finding the Fourth Proportional to 257,573.10, 355,584.40 and 200,083.62

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Solution

The fourth proportional to 257,573.10, 355,584.40 and 200,083.62 is: 276,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,573.10 : 355,584.40 = 200,083.62 : x
  2. Step 2: Convert to fraction form
    257,573.10/355,584.40 = 200,083.62/x
  3. Step 3: Cross multiply
    257,573.10x = 355,584.40 × 200,083.62
  4. Step 4: Simplify right side
    257,573.10x = 71,146,613,967.53
  5. Step 5: Solve for x
    x = 71,146,613,967.53/257,573.10
  6. Step 6: Final answer
    x = 276,219.12

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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.