Home / 178,988.50-246,997.81-98,415.46

Finding the Fourth Proportional to 178,988.50, 246,997.81 and 98,415.46

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Solution

The fourth proportional to 178,988.50, 246,997.81 and 98,415.46 is: 135,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,988.50 : 246,997.81 = 98,415.46 : x
  2. Step 2: Convert to fraction form
    178,988.50/246,997.81 = 98,415.46/x
  3. Step 3: Cross multiply
    178,988.50x = 246,997.81 × 98,415.46
  4. Step 4: Simplify right side
    178,988.50x = 24,308,403,090.14
  5. Step 5: Solve for x
    x = 24,308,403,090.14/178,988.50
  6. Step 6: Final answer
    x = 135,809.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.