Home / 132,767.18-183,134.98-79,012.06

Finding the Fourth Proportional to 132,767.18, 183,134.98 and 79,012.06

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Solution

The fourth proportional to 132,767.18, 183,134.98 and 79,012.06 is: 108,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.18 : 183,134.98 = 79,012.06 : x
  2. Step 2: Convert to fraction form
    132,767.18/183,134.98 = 79,012.06/x
  3. Step 3: Cross multiply
    132,767.18x = 183,134.98 × 79,012.06
  4. Step 4: Simplify right side
    132,767.18x = 14,469,872,027.86
  5. Step 5: Solve for x
    x = 14,469,872,027.86/132,767.18
  6. Step 6: Final answer
    x = 108,986.81

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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.