Home / 296,956.80-445,731.75-163,899.72

Finding the Fourth Proportional to 296,956.80, 445,731.75 and 163,899.72

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Solution

The fourth proportional to 296,956.80, 445,731.75 and 163,899.72 is: 246,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,956.80 : 445,731.75 = 163,899.72 : x
  2. Step 2: Convert to fraction form
    296,956.80/445,731.75 = 163,899.72/x
  3. Step 3: Cross multiply
    296,956.80x = 445,731.75 × 163,899.72
  4. Step 4: Simplify right side
    296,956.80x = 73,055,309,020.11
  5. Step 5: Solve for x
    x = 73,055,309,020.11/296,956.80
  6. Step 6: Final answer
    x = 246,013.26

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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.