Home / 253,008.42-379,574.91-178,274.50

Finding the Fourth Proportional to 253,008.42, 379,574.91 and 178,274.50

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Solution

The fourth proportional to 253,008.42, 379,574.91 and 178,274.50 is: 267,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,008.42 : 379,574.91 = 178,274.50 : x
  2. Step 2: Convert to fraction form
    253,008.42/379,574.91 = 178,274.50/x
  3. Step 3: Cross multiply
    253,008.42x = 379,574.91 × 178,274.50
  4. Step 4: Simplify right side
    253,008.42x = 67,668,527,292.80
  5. Step 5: Solve for x
    x = 67,668,527,292.80/253,008.42
  6. Step 6: Final answer
    x = 267,455.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.