Home / 126,416.20-189,494.70-73,798.60

Finding the Fourth Proportional to 126,416.20, 189,494.70 and 73,798.60

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Solution

The fourth proportional to 126,416.20, 189,494.70 and 73,798.60 is: 110,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,416.20 : 189,494.70 = 73,798.60 : x
  2. Step 2: Convert to fraction form
    126,416.20/189,494.70 = 73,798.60/x
  3. Step 3: Cross multiply
    126,416.20x = 189,494.70 × 73,798.60
  4. Step 4: Simplify right side
    126,416.20x = 13,984,443,567.42
  5. Step 5: Solve for x
    x = 13,984,443,567.42/126,416.20
  6. Step 6: Final answer
    x = 110,622.24

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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.