Home / 133,932.36-184,814.41-79,475.12

Finding the Fourth Proportional to 133,932.36, 184,814.41 and 79,475.12

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Solution

The fourth proportional to 133,932.36, 184,814.41 and 79,475.12 is: 109,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,932.36 : 184,814.41 = 79,475.12 : x
  2. Step 2: Convert to fraction form
    133,932.36/184,814.41 = 79,475.12/x
  3. Step 3: Cross multiply
    133,932.36x = 184,814.41 × 79,475.12
  4. Step 4: Simplify right side
    133,932.36x = 14,688,147,412.48
  5. Step 5: Solve for x
    x = 14,688,147,412.48/133,932.36
  6. Step 6: Final answer
    x = 109,668.40

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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.