Home / 135,743.22-203,407.02-56,814.48

Finding the Fourth Proportional to 135,743.22, 203,407.02 and 56,814.48

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Solution

The fourth proportional to 135,743.22, 203,407.02 and 56,814.48 is: 85,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,743.22 : 203,407.02 = 56,814.48 : x
  2. Step 2: Convert to fraction form
    135,743.22/203,407.02 = 56,814.48/x
  3. Step 3: Cross multiply
    135,743.22x = 203,407.02 × 56,814.48
  4. Step 4: Simplify right side
    135,743.22x = 11,556,464,069.65
  5. Step 5: Solve for x
    x = 11,556,464,069.65/135,743.22
  6. Step 6: Final answer
    x = 85,134.74

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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.