Home / 133,695.68-184,505.12-76,344.34

Finding the Fourth Proportional to 133,695.68, 184,505.12 and 76,344.34

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Solution

The fourth proportional to 133,695.68, 184,505.12 and 76,344.34 is: 105,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,695.68 : 184,505.12 = 76,344.34 : x
  2. Step 2: Convert to fraction form
    133,695.68/184,505.12 = 76,344.34/x
  3. Step 3: Cross multiply
    133,695.68x = 184,505.12 × 76,344.34
  4. Step 4: Simplify right side
    133,695.68x = 14,085,921,613.02
  5. Step 5: Solve for x
    x = 14,085,921,613.02/133,695.68
  6. Step 6: Final answer
    x = 105,358.09

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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.