Home / 306,082.10-422,271.84-176,996.72

Finding the Fourth Proportional to 306,082.10, 422,271.84 and 176,996.72

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Solution

The fourth proportional to 306,082.10, 422,271.84 and 176,996.72 is: 244,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,082.10 : 422,271.84 = 176,996.72 : x
  2. Step 2: Convert to fraction form
    306,082.10/422,271.84 = 176,996.72/x
  3. Step 3: Cross multiply
    306,082.10x = 422,271.84 × 176,996.72
  4. Step 4: Simplify right side
    306,082.10x = 74,740,730,628.36
  5. Step 5: Solve for x
    x = 74,740,730,628.36/306,082.10
  6. Step 6: Final answer
    x = 244,185.24

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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.