Home / 237,942.40-328,354.86-130,511.48

Finding the Fourth Proportional to 237,942.40, 328,354.86 and 130,511.48

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Solution

The fourth proportional to 237,942.40, 328,354.86 and 130,511.48 is: 180,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,942.40 : 328,354.86 = 130,511.48 : x
  2. Step 2: Convert to fraction form
    237,942.40/328,354.86 = 130,511.48/x
  3. Step 3: Cross multiply
    237,942.40x = 328,354.86 × 130,511.48
  4. Step 4: Simplify right side
    237,942.40x = 42,854,078,743.79
  5. Step 5: Solve for x
    x = 42,854,078,743.79/237,942.40
  6. Step 6: Final answer
    x = 180,102.74

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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.