Home / 122,364.37-183,539.14-72,760.13

Finding the Fourth Proportional to 122,364.37, 183,539.14 and 72,760.13

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Solution

The fourth proportional to 122,364.37, 183,539.14 and 72,760.13 is: 109,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,364.37 : 183,539.14 = 72,760.13 : x
  2. Step 2: Convert to fraction form
    122,364.37/183,539.14 = 72,760.13/x
  3. Step 3: Cross multiply
    122,364.37x = 183,539.14 × 72,760.13
  4. Step 4: Simplify right side
    122,364.37x = 13,354,331,686.49
  5. Step 5: Solve for x
    x = 13,354,331,686.49/122,364.37
  6. Step 6: Final answer
    x = 109,135.79

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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.