Home / 132,727.32-183,163.95-79,014.20

Finding the Fourth Proportional to 132,727.32, 183,163.95 and 79,014.20

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Solution

The fourth proportional to 132,727.32, 183,163.95 and 79,014.20 is: 109,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,727.32 : 183,163.95 = 79,014.20 : x
  2. Step 2: Convert to fraction form
    132,727.32/183,163.95 = 79,014.20/x
  3. Step 3: Cross multiply
    132,727.32x = 183,163.95 × 79,014.20
  4. Step 4: Simplify right side
    132,727.32x = 14,472,552,062.27
  5. Step 5: Solve for x
    x = 14,472,552,062.27/132,727.32
  6. Step 6: Final answer
    x = 109,039.74

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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.