Home / 135,869.90-203,739.26-56,962.94

Finding the Fourth Proportional to 135,869.90, 203,739.26 and 56,962.94

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Solution

The fourth proportional to 135,869.90, 203,739.26 and 56,962.94 is: 85,416.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,869.90 : 203,739.26 = 56,962.94 : x
  2. Step 2: Convert to fraction form
    135,869.90/203,739.26 = 56,962.94/x
  3. Step 3: Cross multiply
    135,869.90x = 203,739.26 × 56,962.94
  4. Step 4: Simplify right side
    135,869.90x = 11,605,587,243.02
  5. Step 5: Solve for x
    x = 11,605,587,243.02/135,869.90
  6. Step 6: Final answer
    x = 85,416.91

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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.