Home / 284,785.06-393,326.27-193,983.57

Finding the Fourth Proportional to 284,785.06, 393,326.27 and 193,983.57

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Solution

The fourth proportional to 284,785.06, 393,326.27 and 193,983.57 is: 267,917.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,785.06 : 393,326.27 = 193,983.57 : x
  2. Step 2: Convert to fraction form
    284,785.06/393,326.27 = 193,983.57/x
  3. Step 3: Cross multiply
    284,785.06x = 393,326.27 × 193,983.57
  4. Step 4: Simplify right side
    284,785.06x = 76,298,834,029.38
  5. Step 5: Solve for x
    x = 76,298,834,029.38/284,785.06
  6. Step 6: Final answer
    x = 267,917.26

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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.