Home / 132,784.92-183,178.26-79,052.76

Finding the Fourth Proportional to 132,784.92, 183,178.26 and 79,052.76

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Solution

The fourth proportional to 132,784.92, 183,178.26 and 79,052.76 is: 109,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,784.92 : 183,178.26 = 79,052.76 : x
  2. Step 2: Convert to fraction form
    132,784.92/183,178.26 = 79,052.76/x
  3. Step 3: Cross multiply
    132,784.92x = 183,178.26 × 79,052.76
  4. Step 4: Simplify right side
    132,784.92x = 14,480,747,025.00
  5. Step 5: Solve for x
    x = 14,480,747,025.00/132,784.92
  6. Step 6: Final answer
    x = 109,054.15

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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.