Home / 133,146.36-183,743.22-75,782.87

Finding the Fourth Proportional to 133,146.36, 183,743.22 and 75,782.87

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Solution

The fourth proportional to 133,146.36, 183,743.22 and 75,782.87 is: 104,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,146.36 : 183,743.22 = 75,782.87 : x
  2. Step 2: Convert to fraction form
    133,146.36/183,743.22 = 75,782.87/x
  3. Step 3: Cross multiply
    133,146.36x = 183,743.22 × 75,782.87
  4. Step 4: Simplify right side
    133,146.36x = 13,924,588,554.64
  5. Step 5: Solve for x
    x = 13,924,588,554.64/133,146.36
  6. Step 6: Final answer
    x = 104,581.07

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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.