Home / 118,997.01-178,548.82-64,979.46

Finding the Fourth Proportional to 118,997.01, 178,548.82 and 64,979.46

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Solution

The fourth proportional to 118,997.01, 178,548.82 and 64,979.46 is: 97,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,997.01 : 178,548.82 = 64,979.46 : x
  2. Step 2: Convert to fraction form
    118,997.01/178,548.82 = 64,979.46/x
  3. Step 3: Cross multiply
    118,997.01x = 178,548.82 × 64,979.46
  4. Step 4: Simplify right side
    118,997.01x = 11,602,004,689.60
  5. Step 5: Solve for x
    x = 11,602,004,689.60/118,997.01
  6. Step 6: Final answer
    x = 97,498.29

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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.