Home / 132,885.93-183,427.02-79,187.79

Finding the Fourth Proportional to 132,885.93, 183,427.02 and 79,187.79

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Solution

The fourth proportional to 132,885.93, 183,427.02 and 79,187.79 is: 109,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,885.93 : 183,427.02 = 79,187.79 : x
  2. Step 2: Convert to fraction form
    132,885.93/183,427.02 = 79,187.79/x
  3. Step 3: Cross multiply
    132,885.93x = 183,427.02 × 79,187.79
  4. Step 4: Simplify right side
    132,885.93x = 14,525,180,340.09
  5. Step 5: Solve for x
    x = 14,525,180,340.09/132,885.93
  6. Step 6: Final answer
    x = 109,305.63

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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.