Home / 309,033.12-463,621.96-95,789.84

Finding the Fourth Proportional to 309,033.12, 463,621.96 and 95,789.84

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Solution

The fourth proportional to 309,033.12, 463,621.96 and 95,789.84 is: 143,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,033.12 : 463,621.96 = 95,789.84 : x
  2. Step 2: Convert to fraction form
    309,033.12/463,621.96 = 95,789.84/x
  3. Step 3: Cross multiply
    309,033.12x = 463,621.96 × 95,789.84
  4. Step 4: Simplify right side
    309,033.12x = 44,410,273,368.89
  5. Step 5: Solve for x
    x = 44,410,273,368.89/309,033.12
  6. Step 6: Final answer
    x = 143,707.16

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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.