Home / 236,614.20-354,834.90-78,847.80

Finding the Fourth Proportional to 236,614.20, 354,834.90 and 78,847.80

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Solution

The fourth proportional to 236,614.20, 354,834.90 and 78,847.80 is: 118,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,614.20 : 354,834.90 = 78,847.80 : x
  2. Step 2: Convert to fraction form
    236,614.20/354,834.90 = 78,847.80/x
  3. Step 3: Cross multiply
    236,614.20x = 354,834.90 × 78,847.80
  4. Step 4: Simplify right side
    236,614.20x = 27,977,951,228.22
  5. Step 5: Solve for x
    x = 27,977,951,228.22/236,614.20
  6. Step 6: Final answer
    x = 118,242.91

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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.