Home / 132,983.06-183,491.50-79,273.08

Finding the Fourth Proportional to 132,983.06, 183,491.50 and 79,273.08

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Solution

The fourth proportional to 132,983.06, 183,491.50 and 79,273.08 is: 109,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.06 : 183,491.50 = 79,273.08 : x
  2. Step 2: Convert to fraction form
    132,983.06/183,491.50 = 79,273.08/x
  3. Step 3: Cross multiply
    132,983.06x = 183,491.50 × 79,273.08
  4. Step 4: Simplify right side
    132,983.06x = 14,545,936,358.82
  5. Step 5: Solve for x
    x = 14,545,936,358.82/132,983.06
  6. Step 6: Final answer
    x = 109,381.87

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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.