Home / 133,364.12-184,035.04-72,922.76

Finding the Fourth Proportional to 133,364.12, 184,035.04 and 72,922.76

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Solution

The fourth proportional to 133,364.12, 184,035.04 and 72,922.76 is: 100,629.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,364.12 : 184,035.04 = 72,922.76 : x
  2. Step 2: Convert to fraction form
    133,364.12/184,035.04 = 72,922.76/x
  3. Step 3: Cross multiply
    133,364.12x = 184,035.04 × 72,922.76
  4. Step 4: Simplify right side
    133,364.12x = 13,420,343,053.51
  5. Step 5: Solve for x
    x = 13,420,343,053.51/133,364.12
  6. Step 6: Final answer
    x = 100,629.34

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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.