Home / 146,051.58-219,113.82-40,869.64

Finding the Fourth Proportional to 146,051.58, 219,113.82 and 40,869.64

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Solution

The fourth proportional to 146,051.58, 219,113.82 and 40,869.64 is: 61,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,051.58 : 219,113.82 = 40,869.64 : x
  2. Step 2: Convert to fraction form
    146,051.58/219,113.82 = 40,869.64/x
  3. Step 3: Cross multiply
    146,051.58x = 219,113.82 × 40,869.64
  4. Step 4: Simplify right side
    146,051.58x = 8,955,102,942.42
  5. Step 5: Solve for x
    x = 8,955,102,942.42/146,051.58
  6. Step 6: Final answer
    x = 61,314.66

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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.