Home / 132,664.69-183,075.55-72,234.64

Finding the Fourth Proportional to 132,664.69, 183,075.55 and 72,234.64

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Solution

The fourth proportional to 132,664.69, 183,075.55 and 72,234.64 is: 99,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,664.69 : 183,075.55 = 72,234.64 : x
  2. Step 2: Convert to fraction form
    132,664.69/183,075.55 = 72,234.64/x
  3. Step 3: Cross multiply
    132,664.69x = 183,075.55 × 72,234.64
  4. Step 4: Simplify right side
    132,664.69x = 13,224,396,447.05
  5. Step 5: Solve for x
    x = 13,224,396,447.05/132,664.69
  6. Step 6: Final answer
    x = 99,682.87

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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.