Home / 133,165.98-183,774.51-76,577.36

Finding the Fourth Proportional to 133,165.98, 183,774.51 and 76,577.36

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Solution

The fourth proportional to 133,165.98, 183,774.51 and 76,577.36 is: 105,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,165.98 : 183,774.51 = 76,577.36 : x
  2. Step 2: Convert to fraction form
    133,165.98/183,774.51 = 76,577.36/x
  3. Step 3: Cross multiply
    133,165.98x = 183,774.51 × 76,577.36
  4. Step 4: Simplify right side
    133,165.98x = 14,072,965,892.22
  5. Step 5: Solve for x
    x = 14,072,965,892.22/133,165.98
  6. Step 6: Final answer
    x = 105,679.89

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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.