Home / 133,227.95-183,849.09-72,800.69

Finding the Fourth Proportional to 133,227.95, 183,849.09 and 72,800.69

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Solution

The fourth proportional to 133,227.95, 183,849.09 and 72,800.69 is: 100,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,227.95 : 183,849.09 = 72,800.69 : x
  2. Step 2: Convert to fraction form
    133,227.95/183,849.09 = 72,800.69/x
  3. Step 3: Cross multiply
    133,227.95x = 183,849.09 × 72,800.69
  4. Step 4: Simplify right side
    133,227.95x = 13,384,340,607.87
  5. Step 5: Solve for x
    x = 13,384,340,607.87/133,227.95
  6. Step 6: Final answer
    x = 100,461.96

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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.