Home / 133,871.22-184,730.51-76,499.15

Finding the Fourth Proportional to 133,871.22, 184,730.51 and 76,499.15

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Solution

The fourth proportional to 133,871.22, 184,730.51 and 76,499.15 is: 105,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.22 : 184,730.51 = 76,499.15 : x
  2. Step 2: Convert to fraction form
    133,871.22/184,730.51 = 76,499.15/x
  3. Step 3: Cross multiply
    133,871.22x = 184,730.51 × 76,499.15
  4. Step 4: Simplify right side
    133,871.22x = 14,131,727,647.14
  5. Step 5: Solve for x
    x = 14,131,727,647.14/133,871.22
  6. Step 6: Final answer
    x = 105,562.11

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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.