Home / 432,741.02-649,172.97-133,246.46

Finding the Fourth Proportional to 432,741.02, 649,172.97 and 133,246.46

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Solution

The fourth proportional to 432,741.02, 649,172.97 and 133,246.46 is: 199,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,741.02 : 649,172.97 = 133,246.46 : x
  2. Step 2: Convert to fraction form
    432,741.02/649,172.97 = 133,246.46/x
  3. Step 3: Cross multiply
    432,741.02x = 649,172.97 × 133,246.46
  4. Step 4: Simplify right side
    432,741.02x = 86,500,000,180.19
  5. Step 5: Solve for x
    x = 86,500,000,180.19/432,741.02
  6. Step 6: Final answer
    x = 199,888.61

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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.