Home / 432,549.30-648,629.55-166,221.30

Finding the Fourth Proportional to 432,549.30, 648,629.55 and 166,221.30

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Solution

The fourth proportional to 432,549.30, 648,629.55 and 166,221.30 is: 249,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,549.30 : 648,629.55 = 166,221.30 : x
  2. Step 2: Convert to fraction form
    432,549.30/648,629.55 = 166,221.30/x
  3. Step 3: Cross multiply
    432,549.30x = 648,629.55 × 166,221.30
  4. Step 4: Simplify right side
    432,549.30x = 107,816,047,019.42
  5. Step 5: Solve for x
    x = 107,816,047,019.42/432,549.30
  6. Step 6: Final answer
    x = 249,257.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.