Home / 309,566.44-464,395.80-109,870.10

Finding the Fourth Proportional to 309,566.44, 464,395.80 and 109,870.10

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Solution

The fourth proportional to 309,566.44, 464,395.80 and 109,870.10 is: 164,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,566.44 : 464,395.80 = 109,870.10 : x
  2. Step 2: Convert to fraction form
    309,566.44/464,395.80 = 109,870.10/x
  3. Step 3: Cross multiply
    309,566.44x = 464,395.80 × 109,870.10
  4. Step 4: Simplify right side
    309,566.44x = 51,023,212,817.10
  5. Step 5: Solve for x
    x = 51,023,212,817.10/309,566.44
  6. Step 6: Final answer
    x = 164,821.52

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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.