Home / 132,785.42-183,178.95-79,053.26

Finding the Fourth Proportional to 132,785.42, 183,178.95 and 79,053.26

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Solution

The fourth proportional to 132,785.42, 183,178.95 and 79,053.26 is: 109,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785.42 : 183,178.95 = 79,053.26 : x
  2. Step 2: Convert to fraction form
    132,785.42/183,178.95 = 79,053.26/x
  3. Step 3: Cross multiply
    132,785.42x = 183,178.95 × 79,053.26
  4. Step 4: Simplify right side
    132,785.42x = 14,480,893,160.88
  5. Step 5: Solve for x
    x = 14,480,893,160.88/132,785.42
  6. Step 6: Final answer
    x = 109,054.84

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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.