Home / 309,937.46-464,725.52-120,176.12

Finding the Fourth Proportional to 309,937.46, 464,725.52 and 120,176.12

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Solution

The fourth proportional to 309,937.46, 464,725.52 and 120,176.12 is: 180,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,937.46 : 464,725.52 = 120,176.12 : x
  2. Step 2: Convert to fraction form
    309,937.46/464,725.52 = 120,176.12/x
  3. Step 3: Cross multiply
    309,937.46x = 464,725.52 × 120,176.12
  4. Step 4: Simplify right side
    309,937.46x = 55,848,909,858.58
  5. Step 5: Solve for x
    x = 55,848,909,858.58/309,937.46
  6. Step 6: Final answer
    x = 180,194.13

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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.