Home / 133,165.23-183,773.48-76,576.61

Finding the Fourth Proportional to 133,165.23, 183,773.48 and 76,576.61

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Solution

The fourth proportional to 133,165.23, 183,773.48 and 76,576.61 is: 105,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,165.23 : 183,773.48 = 76,576.61 : x
  2. Step 2: Convert to fraction form
    133,165.23/183,773.48 = 76,576.61/x
  3. Step 3: Cross multiply
    133,165.23x = 183,773.48 × 76,576.61
  4. Step 4: Simplify right side
    133,165.23x = 14,072,748,804.55
  5. Step 5: Solve for x
    x = 14,072,748,804.55/133,165.23
  6. Step 6: Final answer
    x = 105,678.85

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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.