Home / 126,613.46-189,709.34-89,094.70

Finding the Fourth Proportional to 126,613.46, 189,709.34 and 89,094.70

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Solution

The fourth proportional to 126,613.46, 189,709.34 and 89,094.70 is: 133,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613.46 : 189,709.34 = 89,094.70 : x
  2. Step 2: Convert to fraction form
    126,613.46/189,709.34 = 89,094.70/x
  3. Step 3: Cross multiply
    126,613.46x = 189,709.34 × 89,094.70
  4. Step 4: Simplify right side
    126,613.46x = 16,902,097,027.32
  5. Step 5: Solve for x
    x = 16,902,097,027.32/126,613.46
  6. Step 6: Final answer
    x = 133,493.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.