Home / 132,791.68-183,252.81-72,362.85

Finding the Fourth Proportional to 132,791.68, 183,252.81 and 72,362.85

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Solution

The fourth proportional to 132,791.68, 183,252.81 and 72,362.85 is: 99,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,791.68 : 183,252.81 = 72,362.85 : x
  2. Step 2: Convert to fraction form
    132,791.68/183,252.81 = 72,362.85/x
  3. Step 3: Cross multiply
    132,791.68x = 183,252.81 × 72,362.85
  4. Step 4: Simplify right side
    132,791.68x = 13,260,695,602.11
  5. Step 5: Solve for x
    x = 13,260,695,602.11/132,791.68
  6. Step 6: Final answer
    x = 99,860.89

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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.