Home / 122,277.86-168,773.46-74,557.52

Finding the Fourth Proportional to 122,277.86, 168,773.46 and 74,557.52

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Solution

The fourth proportional to 122,277.86, 168,773.46 and 74,557.52 is: 102,907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,277.86 : 168,773.46 = 74,557.52 : x
  2. Step 2: Convert to fraction form
    122,277.86/168,773.46 = 74,557.52/x
  3. Step 3: Cross multiply
    122,277.86x = 168,773.46 × 74,557.52
  4. Step 4: Simplify right side
    122,277.86x = 12,583,330,619.42
  5. Step 5: Solve for x
    x = 12,583,330,619.42/122,277.86
  6. Step 6: Final answer
    x = 102,907.68

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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.