Home / 133,373.86-184,049.14-72,932.78

Finding the Fourth Proportional to 133,373.86, 184,049.14 and 72,932.78

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Solution

The fourth proportional to 133,373.86, 184,049.14 and 72,932.78 is: 100,643.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,373.86 : 184,049.14 = 72,932.78 : x
  2. Step 2: Convert to fraction form
    133,373.86/184,049.14 = 72,932.78/x
  3. Step 3: Cross multiply
    133,373.86x = 184,049.14 × 72,932.78
  4. Step 4: Simplify right side
    133,373.86x = 13,423,215,436.81
  5. Step 5: Solve for x
    x = 13,423,215,436.81/133,373.86
  6. Step 6: Final answer
    x = 100,643.53

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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.