Home / 135,179.09-186,548.11-73,925.55

Finding the Fourth Proportional to 135,179.09, 186,548.11 and 73,925.55

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Solution

The fourth proportional to 135,179.09, 186,548.11 and 73,925.55 is: 102,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,179.09 : 186,548.11 = 73,925.55 : x
  2. Step 2: Convert to fraction form
    135,179.09/186,548.11 = 73,925.55/x
  3. Step 3: Cross multiply
    135,179.09x = 186,548.11 × 73,925.55
  4. Step 4: Simplify right side
    135,179.09x = 13,790,670,330.84
  5. Step 5: Solve for x
    x = 13,790,670,330.84/135,179.09
  6. Step 6: Final answer
    x = 102,017.78

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1.5x scale

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.