Home / 203,240.48-280,421.19-117,225.77

Finding the Fourth Proportional to 203,240.48, 280,421.19 and 117,225.77

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Solution

The fourth proportional to 203,240.48, 280,421.19 and 117,225.77 is: 161,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,240.48 : 280,421.19 = 117,225.77 : x
  2. Step 2: Convert to fraction form
    203,240.48/280,421.19 = 117,225.77/x
  3. Step 3: Cross multiply
    203,240.48x = 280,421.19 × 117,225.77
  4. Step 4: Simplify right side
    203,240.48x = 32,872,588,519.96
  5. Step 5: Solve for x
    x = 32,872,588,519.96/203,240.48
  6. Step 6: Final answer
    x = 161,742.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.