Home / 166,448.90-229,699.48-90,997.40

Finding the Fourth Proportional to 166,448.90, 229,699.48 and 90,997.40

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Solution

The fourth proportional to 166,448.90, 229,699.48 and 90,997.40 is: 125,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,448.90 : 229,699.48 = 90,997.40 : x
  2. Step 2: Convert to fraction form
    166,448.90/229,699.48 = 90,997.40/x
  3. Step 3: Cross multiply
    166,448.90x = 229,699.48 × 90,997.40
  4. Step 4: Simplify right side
    166,448.90x = 20,902,055,461.35
  5. Step 5: Solve for x
    x = 20,902,055,461.35/166,448.90
  6. Step 6: Final answer
    x = 125,576.41

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1.5x scale

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.