Home / 284,941.26-393,223.14-157,616.28

Finding the Fourth Proportional to 284,941.26, 393,223.14 and 157,616.28

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Solution

The fourth proportional to 284,941.26, 393,223.14 and 157,616.28 is: 217,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,941.26 : 393,223.14 = 157,616.28 : x
  2. Step 2: Convert to fraction form
    284,941.26/393,223.14 = 157,616.28/x
  3. Step 3: Cross multiply
    284,941.26x = 393,223.14 × 157,616.28
  4. Step 4: Simplify right side
    284,941.26x = 61,978,368,536.72
  5. Step 5: Solve for x
    x = 61,978,368,536.72/284,941.26
  6. Step 6: Final answer
    x = 217,512.79

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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.