Home / 133,026.09-183,579.89-72,600.62

Finding the Fourth Proportional to 133,026.09, 183,579.89 and 72,600.62

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Solution

The fourth proportional to 133,026.09, 183,579.89 and 72,600.62 is: 100,190.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.09 : 183,579.89 = 72,600.62 : x
  2. Step 2: Convert to fraction form
    133,026.09/183,579.89 = 72,600.62/x
  3. Step 3: Cross multiply
    133,026.09x = 183,579.89 × 72,600.62
  4. Step 4: Simplify right side
    133,026.09x = 13,328,012,915.63
  5. Step 5: Solve for x
    x = 13,328,012,915.63/133,026.09
  6. Step 6: Final answer
    x = 100,190.97

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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.