Home / 113,929.20-170,892.20-51,599.60

Finding the Fourth Proportional to 113,929.20, 170,892.20 and 51,599.60

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Solution

The fourth proportional to 113,929.20, 170,892.20 and 51,599.60 is: 77,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,929.20 : 170,892.20 = 51,599.60 : x
  2. Step 2: Convert to fraction form
    113,929.20/170,892.20 = 51,599.60/x
  3. Step 3: Cross multiply
    113,929.20x = 170,892.20 × 51,599.60
  4. Step 4: Simplify right side
    113,929.20x = 8,817,969,163.12
  5. Step 5: Solve for x
    x = 8,817,969,163.12/113,929.20
  6. Step 6: Final answer
    x = 77,398.68

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1.5x scale

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.