Home / 289,196.64-433,753.92-111,787.20

Finding the Fourth Proportional to 289,196.64, 433,753.92 and 111,787.20

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Solution

The fourth proportional to 289,196.64, 433,753.92 and 111,787.20 is: 167,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,196.64 : 433,753.92 = 111,787.20 : x
  2. Step 2: Convert to fraction form
    289,196.64/433,753.92 = 111,787.20/x
  3. Step 3: Cross multiply
    289,196.64x = 433,753.92 × 111,787.20
  4. Step 4: Simplify right side
    289,196.64x = 48,488,136,205.82
  5. Step 5: Solve for x
    x = 48,488,136,205.82/289,196.64
  6. Step 6: Final answer
    x = 167,664.94

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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.