Home / 134,065.62-201,099.04-45,319.60

Finding the Fourth Proportional to 134,065.62, 201,099.04 and 45,319.60

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Solution

The fourth proportional to 134,065.62, 201,099.04 and 45,319.60 is: 67,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,065.62 : 201,099.04 = 45,319.60 : x
  2. Step 2: Convert to fraction form
    134,065.62/201,099.04 = 45,319.60/x
  3. Step 3: Cross multiply
    134,065.62x = 201,099.04 × 45,319.60
  4. Step 4: Simplify right side
    134,065.62x = 9,113,728,053.18
  5. Step 5: Solve for x
    x = 9,113,728,053.18/134,065.62
  6. Step 6: Final answer
    x = 67,979.61

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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.