Home / 132,736.70-183,178.06-72,307.82

Finding the Fourth Proportional to 132,736.70, 183,178.06 and 72,307.82

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Solution

The fourth proportional to 132,736.70, 183,178.06 and 72,307.82 is: 99,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,736.70 : 183,178.06 = 72,307.82 : x
  2. Step 2: Convert to fraction form
    132,736.70/183,178.06 = 72,307.82/x
  3. Step 3: Cross multiply
    132,736.70x = 183,178.06 × 72,307.82
  4. Step 4: Simplify right side
    132,736.70x = 13,245,206,190.43
  5. Step 5: Solve for x
    x = 13,245,206,190.43/132,736.70
  6. Step 6: Final answer
    x = 99,785.56

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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.