Home / 238,193.46-357,268.05-80,423.28

Finding the Fourth Proportional to 238,193.46, 357,268.05 and 80,423.28

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Solution

The fourth proportional to 238,193.46, 357,268.05 and 80,423.28 is: 120,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,193.46 : 357,268.05 = 80,423.28 : x
  2. Step 2: Convert to fraction form
    238,193.46/357,268.05 = 80,423.28/x
  3. Step 3: Cross multiply
    238,193.46x = 357,268.05 × 80,423.28
  4. Step 4: Simplify right side
    238,193.46x = 28,732,668,420.20
  5. Step 5: Solve for x
    x = 28,732,668,420.20/238,193.46
  6. Step 6: Final answer
    x = 120,627.44

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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.