Home / 238,522.42-357,828.99-80,708.50

Finding the Fourth Proportional to 238,522.42, 357,828.99 and 80,708.50

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Solution

The fourth proportional to 238,522.42, 357,828.99 and 80,708.50 is: 121,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,522.42 : 357,828.99 = 80,708.50 : x
  2. Step 2: Convert to fraction form
    238,522.42/357,828.99 = 80,708.50/x
  3. Step 3: Cross multiply
    238,522.42x = 357,828.99 × 80,708.50
  4. Step 4: Simplify right side
    238,522.42x = 28,879,841,039.42
  5. Step 5: Solve for x
    x = 28,879,841,039.42/238,522.42
  6. Step 6: Final answer
    x = 121,078.10

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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.