Home / 133,044.28-183,601.56-79,353.40

Finding the Fourth Proportional to 133,044.28, 183,601.56 and 79,353.40

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Solution

The fourth proportional to 133,044.28, 183,601.56 and 79,353.40 is: 109,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.28 : 183,601.56 = 79,353.40 : x
  2. Step 2: Convert to fraction form
    133,044.28/183,601.56 = 79,353.40/x
  3. Step 3: Cross multiply
    133,044.28x = 183,601.56 × 79,353.40
  4. Step 4: Simplify right side
    133,044.28x = 14,569,408,031.30
  5. Step 5: Solve for x
    x = 14,569,408,031.30/133,044.28
  6. Step 6: Final answer
    x = 109,507.96

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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.