Home / 432,582.80-648,936.30-133,088.54

Finding the Fourth Proportional to 432,582.80, 648,936.30 and 133,088.54

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Solution

The fourth proportional to 432,582.80, 648,936.30 and 133,088.54 is: 199,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,582.80 : 648,936.30 = 133,088.54 : x
  2. Step 2: Convert to fraction form
    432,582.80/648,936.30 = 133,088.54/x
  3. Step 3: Cross multiply
    432,582.80x = 648,936.30 × 133,088.54
  4. Step 4: Simplify right side
    432,582.80x = 86,365,984,720.00
  5. Step 5: Solve for x
    x = 86,365,984,720.00/432,582.80
  6. Step 6: Final answer
    x = 199,651.92

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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.