Home / 118,997.57-178,253.36-66,435.05

Finding the Fourth Proportional to 118,997.57, 178,253.36 and 66,435.05

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Solution

The fourth proportional to 118,997.57, 178,253.36 and 66,435.05 is: 99,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,997.57 : 178,253.36 = 66,435.05 : x
  2. Step 2: Convert to fraction form
    118,997.57/178,253.36 = 66,435.05/x
  3. Step 3: Cross multiply
    118,997.57x = 178,253.36 × 66,435.05
  4. Step 4: Simplify right side
    118,997.57x = 11,842,270,552.09
  5. Step 5: Solve for x
    x = 11,842,270,552.09/118,997.57
  6. Step 6: Final answer
    x = 99,516.91

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1.5x scale

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.