Home / 135,085.83-202,651.01-56,205.60

Finding the Fourth Proportional to 135,085.83, 202,651.01 and 56,205.60

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Solution

The fourth proportional to 135,085.83, 202,651.01 and 56,205.60 is: 84,317.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,085.83 : 202,651.01 = 56,205.60 : x
  2. Step 2: Convert to fraction form
    135,085.83/202,651.01 = 56,205.60/x
  3. Step 3: Cross multiply
    135,085.83x = 202,651.01 × 56,205.60
  4. Step 4: Simplify right side
    135,085.83x = 11,390,120,777.46
  5. Step 5: Solve for x
    x = 11,390,120,777.46/135,085.83
  6. Step 6: Final answer
    x = 84,317.66

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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.