Home / 132,739.16-183,167.88-79,037.24

Finding the Fourth Proportional to 132,739.16, 183,167.88 and 79,037.24

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Solution

The fourth proportional to 132,739.16, 183,167.88 and 79,037.24 is: 109,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,739.16 : 183,167.88 = 79,037.24 : x
  2. Step 2: Convert to fraction form
    132,739.16/183,167.88 = 79,037.24/x
  3. Step 3: Cross multiply
    132,739.16x = 183,167.88 × 79,037.24
  4. Step 4: Simplify right side
    132,739.16x = 14,477,083,691.85
  5. Step 5: Solve for x
    x = 14,477,083,691.85/132,739.16
  6. Step 6: Final answer
    x = 109,064.15

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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.