Home / 133,310.46-183,970.64-79,600.18

Finding the Fourth Proportional to 133,310.46, 183,970.64 and 79,600.18

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Solution

The fourth proportional to 133,310.46, 183,970.64 and 79,600.18 is: 109,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,310.46 : 183,970.64 = 79,600.18 : x
  2. Step 2: Convert to fraction form
    133,310.46/183,970.64 = 79,600.18/x
  3. Step 3: Cross multiply
    133,310.46x = 183,970.64 × 79,600.18
  4. Step 4: Simplify right side
    133,310.46x = 14,644,096,058.72
  5. Step 5: Solve for x
    x = 14,644,096,058.72/133,310.46
  6. Step 6: Final answer
    x = 109,849.57

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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.