Home / 133,261.36-183,882.89-85,579.29

Finding the Fourth Proportional to 133,261.36, 183,882.89 and 85,579.29

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Solution

The fourth proportional to 133,261.36, 183,882.89 and 85,579.29 is: 118,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,261.36 : 183,882.89 = 85,579.29 : x
  2. Step 2: Convert to fraction form
    133,261.36/183,882.89 = 85,579.29/x
  3. Step 3: Cross multiply
    133,261.36x = 183,882.89 × 85,579.29
  4. Step 4: Simplify right side
    133,261.36x = 15,736,567,383.30
  5. Step 5: Solve for x
    x = 15,736,567,383.30/133,261.36
  6. Step 6: Final answer
    x = 118,088.00

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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.