Home / 303,942.18-456,044.50-163,672.86

Finding the Fourth Proportional to 303,942.18, 456,044.50 and 163,672.86

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Solution

The fourth proportional to 303,942.18, 456,044.50 and 163,672.86 is: 245,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,942.18 : 456,044.50 = 163,672.86 : x
  2. Step 2: Convert to fraction form
    303,942.18/456,044.50 = 163,672.86/x
  3. Step 3: Cross multiply
    303,942.18x = 456,044.50 × 163,672.86
  4. Step 4: Simplify right side
    303,942.18x = 74,642,107,602.27
  5. Step 5: Solve for x
    x = 74,642,107,602.27/303,942.18
  6. Step 6: Final answer
    x = 245,579.96

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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.