Home / 432,928.66-649,478.04-133,358.26

Finding the Fourth Proportional to 432,928.66, 649,478.04 and 133,358.26

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Solution

The fourth proportional to 432,928.66, 649,478.04 and 133,358.26 is: 200,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,928.66 : 649,478.04 = 133,358.26 : x
  2. Step 2: Convert to fraction form
    432,928.66/649,478.04 = 133,358.26/x
  3. Step 3: Cross multiply
    432,928.66x = 649,478.04 × 133,358.26
  4. Step 4: Simplify right side
    432,928.66x = 86,613,261,322.61
  5. Step 5: Solve for x
    x = 86,613,261,322.61/432,928.66
  6. Step 6: Final answer
    x = 200,063.59

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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.