Home / 309,622.35-464,465.41-107,218.06

Finding the Fourth Proportional to 309,622.35, 464,465.41 and 107,218.06

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Solution

The fourth proportional to 309,622.35, 464,465.41 and 107,218.06 is: 160,838.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,622.35 : 464,465.41 = 107,218.06 : x
  2. Step 2: Convert to fraction form
    309,622.35/464,465.41 = 107,218.06/x
  3. Step 3: Cross multiply
    309,622.35x = 464,465.41 × 107,218.06
  4. Step 4: Simplify right side
    309,622.35x = 49,799,082,605.52
  5. Step 5: Solve for x
    x = 49,799,082,605.52/309,622.35
  6. Step 6: Final answer
    x = 160,838.14

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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.