Home / 234,385.82-323,429.31-131,000.93

Finding the Fourth Proportional to 234,385.82, 323,429.31 and 131,000.93

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Solution

The fourth proportional to 234,385.82, 323,429.31 and 131,000.93 is: 180,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,385.82 : 323,429.31 = 131,000.93 : x
  2. Step 2: Convert to fraction form
    234,385.82/323,429.31 = 131,000.93/x
  3. Step 3: Cross multiply
    234,385.82x = 323,429.31 × 131,000.93
  4. Step 4: Simplify right side
    234,385.82x = 42,369,538,782.11
  5. Step 5: Solve for x
    x = 42,369,538,782.11/234,385.82
  6. Step 6: Final answer
    x = 180,768.36

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1.5x scale

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.