Home / 178,678.84-246,580.33-98,105.66

Finding the Fourth Proportional to 178,678.84, 246,580.33 and 98,105.66

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Solution

The fourth proportional to 178,678.84, 246,580.33 and 98,105.66 is: 135,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,678.84 : 246,580.33 = 98,105.66 : x
  2. Step 2: Convert to fraction form
    178,678.84/246,580.33 = 98,105.66/x
  3. Step 3: Cross multiply
    178,678.84x = 246,580.33 × 98,105.66
  4. Step 4: Simplify right side
    178,678.84x = 24,190,926,549.50
  5. Step 5: Solve for x
    x = 24,190,926,549.50/178,678.84
  6. Step 6: Final answer
    x = 135,387.75

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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.