Home / 135,208.95-186,580.77-73,942.94

Finding the Fourth Proportional to 135,208.95, 186,580.77 and 73,942.94

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Solution

The fourth proportional to 135,208.95, 186,580.77 and 73,942.94 is: 102,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,208.95 : 186,580.77 = 73,942.94 : x
  2. Step 2: Convert to fraction form
    135,208.95/186,580.77 = 73,942.94/x
  3. Step 3: Cross multiply
    135,208.95x = 186,580.77 × 73,942.94
  4. Step 4: Simplify right side
    135,208.95x = 13,796,330,870.43
  5. Step 5: Solve for x
    x = 13,796,330,870.43/135,208.95
  6. Step 6: Final answer
    x = 102,037.12

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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.