Home / 133,028.60-183,583.73-75,666.44

Finding the Fourth Proportional to 133,028.60, 183,583.73 and 75,666.44

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Solution

The fourth proportional to 133,028.60, 183,583.73 and 75,666.44 is: 104,422.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.60 : 183,583.73 = 75,666.44 : x
  2. Step 2: Convert to fraction form
    133,028.60/183,583.73 = 75,666.44/x
  3. Step 3: Cross multiply
    133,028.60x = 183,583.73 × 75,666.44
  4. Step 4: Simplify right side
    133,028.60x = 13,891,125,994.77
  5. Step 5: Solve for x
    x = 13,891,125,994.77/133,028.60
  6. Step 6: Final answer
    x = 104,422.11

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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.