Home / 133,174.88-183,818.40-76,604.48

Finding the Fourth Proportional to 133,174.88, 183,818.40 and 76,604.48

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Solution

The fourth proportional to 133,174.88, 183,818.40 and 76,604.48 is: 105,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,174.88 : 183,818.40 = 76,604.48 : x
  2. Step 2: Convert to fraction form
    133,174.88/183,818.40 = 76,604.48/x
  3. Step 3: Cross multiply
    133,174.88x = 183,818.40 × 76,604.48
  4. Step 4: Simplify right side
    133,174.88x = 14,081,312,946.43
  5. Step 5: Solve for x
    x = 14,081,312,946.43/133,174.88
  6. Step 6: Final answer
    x = 105,735.50

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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.