Home / 432,948.53-649,493.87-133,429.16

Finding the Fourth Proportional to 432,948.53, 649,493.87 and 133,429.16

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Solution

The fourth proportional to 432,948.53, 649,493.87 and 133,429.16 is: 200,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,948.53 : 649,493.87 = 133,429.16 : x
  2. Step 2: Convert to fraction form
    432,948.53/649,493.87 = 133,429.16/x
  3. Step 3: Cross multiply
    432,948.53x = 649,493.87 × 133,429.16
  4. Step 4: Simplify right side
    432,948.53x = 86,661,417,584.63
  5. Step 5: Solve for x
    x = 86,661,417,584.63/432,948.53
  6. Step 6: Final answer
    x = 200,165.64

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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.