Home / 238,028.68-357,044.24-80,258.50

Finding the Fourth Proportional to 238,028.68, 357,044.24 and 80,258.50

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Solution

The fourth proportional to 238,028.68, 357,044.24 and 80,258.50 is: 120,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,028.68 : 357,044.24 = 80,258.50 : x
  2. Step 2: Convert to fraction form
    238,028.68/357,044.24 = 80,258.50/x
  3. Step 3: Cross multiply
    238,028.68x = 357,044.24 × 80,258.50
  4. Step 4: Simplify right side
    238,028.68x = 28,655,835,136.04
  5. Step 5: Solve for x
    x = 28,655,835,136.04/238,028.68
  6. Step 6: Final answer
    x = 120,388.16

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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.