Home / 432,670.28-649,237.79-180,125.10

Finding the Fourth Proportional to 432,670.28, 649,237.79 and 180,125.10

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Solution

The fourth proportional to 432,670.28, 649,237.79 and 180,125.10 is: 270,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,670.28 : 649,237.79 = 180,125.10 : x
  2. Step 2: Convert to fraction form
    432,670.28/649,237.79 = 180,125.10/x
  3. Step 3: Cross multiply
    432,670.28x = 649,237.79 × 180,125.10
  4. Step 4: Simplify right side
    432,670.28x = 116,944,022,297.84
  5. Step 5: Solve for x
    x = 116,944,022,297.84/432,670.28
  6. Step 6: Final answer
    x = 270,284.39

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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.