Home / 432,836.08-649,323.88-133,316.56

Finding the Fourth Proportional to 432,836.08, 649,323.88 and 133,316.56

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Solution

The fourth proportional to 432,836.08, 649,323.88 and 133,316.56 is: 199,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,836.08 : 649,323.88 = 133,316.56 : x
  2. Step 2: Convert to fraction form
    432,836.08/649,323.88 = 133,316.56/x
  3. Step 3: Cross multiply
    432,836.08x = 649,323.88 × 133,316.56
  4. Step 4: Simplify right side
    432,836.08x = 86,565,626,007.45
  5. Step 5: Solve for x
    x = 86,565,626,007.45/432,836.08
  6. Step 6: Final answer
    x = 199,996.33

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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.