Home / 137,174.16-205,777.68-48,409.36

Finding the Fourth Proportional to 137,174.16, 205,777.68 and 48,409.36

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Solution

The fourth proportional to 137,174.16, 205,777.68 and 48,409.36 is: 72,619.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,174.16 : 205,777.68 = 48,409.36 : x
  2. Step 2: Convert to fraction form
    137,174.16/205,777.68 = 48,409.36/x
  3. Step 3: Cross multiply
    137,174.16x = 205,777.68 × 48,409.36
  4. Step 4: Simplify right side
    137,174.16x = 9,961,565,791.08
  5. Step 5: Solve for x
    x = 9,961,565,791.08/137,174.16
  6. Step 6: Final answer
    x = 72,619.84

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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.