Home / 253,008.10-379,574.44-178,274.20

Finding the Fourth Proportional to 253,008.10, 379,574.44 and 178,274.20

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Solution

The fourth proportional to 253,008.10, 379,574.44 and 178,274.20 is: 267,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,008.10 : 379,574.44 = 178,274.20 : x
  2. Step 2: Convert to fraction form
    253,008.10/379,574.44 = 178,274.20/x
  3. Step 3: Cross multiply
    253,008.10x = 379,574.44 × 178,274.20
  4. Step 4: Simplify right side
    253,008.10x = 67,668,329,631.45
  5. Step 5: Solve for x
    x = 67,668,329,631.45/253,008.10
  6. Step 6: Final answer
    x = 267,455.19

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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.