Home / 432,226.13-648,390.96-132,667.47

Finding the Fourth Proportional to 432,226.13, 648,390.96 and 132,667.47

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Solution

The fourth proportional to 432,226.13, 648,390.96 and 132,667.47 is: 199,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,226.13 : 648,390.96 = 132,667.47 : x
  2. Step 2: Convert to fraction form
    432,226.13/648,390.96 = 132,667.47/x
  3. Step 3: Cross multiply
    432,226.13x = 648,390.96 × 132,667.47
  4. Step 4: Simplify right side
    432,226.13x = 86,020,388,234.07
  5. Step 5: Solve for x
    x = 86,020,388,234.07/432,226.13
  6. Step 6: Final answer
    x = 199,017.10

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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.