Home / 238,592.07-357,878.75-80,820.53

Finding the Fourth Proportional to 238,592.07, 357,878.75 and 80,820.53

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Solution

The fourth proportional to 238,592.07, 357,878.75 and 80,820.53 is: 121,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,592.07 : 357,878.75 = 80,820.53 : x
  2. Step 2: Convert to fraction form
    238,592.07/357,878.75 = 80,820.53/x
  3. Step 3: Cross multiply
    238,592.07x = 357,878.75 × 80,820.53
  4. Step 4: Simplify right side
    238,592.07x = 28,923,948,057.24
  5. Step 5: Solve for x
    x = 28,923,948,057.24/238,592.07
  6. Step 6: Final answer
    x = 121,227.62

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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.