Home / 309,262.24-463,983.26-129,432.52

Finding the Fourth Proportional to 309,262.24, 463,983.26 and 129,432.52

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Solution

The fourth proportional to 309,262.24, 463,983.26 and 129,432.52 is: 194,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,262.24 : 463,983.26 = 129,432.52 : x
  2. Step 2: Convert to fraction form
    309,262.24/463,983.26 = 129,432.52/x
  3. Step 3: Cross multiply
    309,262.24x = 463,983.26 × 129,432.52
  4. Step 4: Simplify right side
    309,262.24x = 60,054,522,579.62
  5. Step 5: Solve for x
    x = 60,054,522,579.62/309,262.24
  6. Step 6: Final answer
    x = 194,186.40

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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.