Home / 165,021.12-227,690.10-93,401.13

Finding the Fourth Proportional to 165,021.12, 227,690.10 and 93,401.13

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Solution

The fourth proportional to 165,021.12, 227,690.10 and 93,401.13 is: 128,871.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,021.12 : 227,690.10 = 93,401.13 : x
  2. Step 2: Convert to fraction form
    165,021.12/227,690.10 = 93,401.13/x
  3. Step 3: Cross multiply
    165,021.12x = 227,690.10 × 93,401.13
  4. Step 4: Simplify right side
    165,021.12x = 21,266,512,629.81
  5. Step 5: Solve for x
    x = 21,266,512,629.81/165,021.12
  6. Step 6: Final answer
    x = 128,871.46

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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.