Home / 309,976.08-464,960.88-99,614.22

Finding the Fourth Proportional to 309,976.08, 464,960.88 and 99,614.22

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Solution

The fourth proportional to 309,976.08, 464,960.88 and 99,614.22 is: 149,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,976.08 : 464,960.88 = 99,614.22 : x
  2. Step 2: Convert to fraction form
    309,976.08/464,960.88 = 99,614.22/x
  3. Step 3: Cross multiply
    309,976.08x = 464,960.88 × 99,614.22
  4. Step 4: Simplify right side
    309,976.08x = 46,316,715,391.71
  5. Step 5: Solve for x
    x = 46,316,715,391.71/309,976.08
  6. Step 6: Final answer
    x = 149,420.29

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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.