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Finding the Fourth Proportional to 187,097.97, 257,891.88 and 146,190.57

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Solution

The fourth proportional to 187,097.97, 257,891.88 and 146,190.57 is: 201,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,097.97 : 257,891.88 = 146,190.57 : x
  2. Step 2: Convert to fraction form
    187,097.97/257,891.88 = 146,190.57/x
  3. Step 3: Cross multiply
    187,097.97x = 257,891.88 × 146,190.57
  4. Step 4: Simplify right side
    187,097.97x = 37,701,360,935.57
  5. Step 5: Solve for x
    x = 37,701,360,935.57/187,097.97
  6. Step 6: Final answer
    x = 201,505.99

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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.