Home / 168,070.28-231,935.88-92,618.84

Finding the Fourth Proportional to 168,070.28, 231,935.88 and 92,618.84

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Solution

The fourth proportional to 168,070.28, 231,935.88 and 92,618.84 is: 127,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,070.28 : 231,935.88 = 92,618.84 : x
  2. Step 2: Convert to fraction form
    168,070.28/231,935.88 = 92,618.84/x
  3. Step 3: Cross multiply
    168,070.28x = 231,935.88 × 92,618.84
  4. Step 4: Simplify right side
    168,070.28x = 21,481,632,159.98
  5. Step 5: Solve for x
    x = 21,481,632,159.98/168,070.28
  6. Step 6: Final answer
    x = 127,813.39

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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.