Home / 133,568.81-184,329.13-73,145.19

Finding the Fourth Proportional to 133,568.81, 184,329.13 and 73,145.19

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Solution

The fourth proportional to 133,568.81, 184,329.13 and 73,145.19 is: 100,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,568.81 : 184,329.13 = 73,145.19 : x
  2. Step 2: Convert to fraction form
    133,568.81/184,329.13 = 73,145.19/x
  3. Step 3: Cross multiply
    133,568.81x = 184,329.13 × 73,145.19
  4. Step 4: Simplify right side
    133,568.81x = 13,482,789,236.38
  5. Step 5: Solve for x
    x = 13,482,789,236.38/133,568.81
  6. Step 6: Final answer
    x = 100,942.65

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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.