Home / 114,327.10-171,685.05-84,778.30

Finding the Fourth Proportional to 114,327.10, 171,685.05 and 84,778.30

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Solution

The fourth proportional to 114,327.10, 171,685.05 and 84,778.30 is: 127,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,327.10 : 171,685.05 = 84,778.30 : x
  2. Step 2: Convert to fraction form
    114,327.10/171,685.05 = 84,778.30/x
  3. Step 3: Cross multiply
    114,327.10x = 171,685.05 × 84,778.30
  4. Step 4: Simplify right side
    114,327.10x = 14,555,166,674.42
  5. Step 5: Solve for x
    x = 14,555,166,674.42/114,327.10
  6. Step 6: Final answer
    x = 127,311.61

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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.