Home / 237,942.22-328,369.45-130,516.78

Finding the Fourth Proportional to 237,942.22, 328,369.45 and 130,516.78

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Solution

The fourth proportional to 237,942.22, 328,369.45 and 130,516.78 is: 180,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,942.22 : 328,369.45 = 130,516.78 : x
  2. Step 2: Convert to fraction form
    237,942.22/328,369.45 = 130,516.78/x
  3. Step 3: Cross multiply
    237,942.22x = 328,369.45 × 130,516.78
  4. Step 4: Simplify right side
    237,942.22x = 42,857,721,622.52
  5. Step 5: Solve for x
    x = 42,857,721,622.52/237,942.22
  6. Step 6: Final answer
    x = 180,118.19

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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.