Home / 120,970.28-166,929.50-67,252.02

Finding the Fourth Proportional to 120,970.28, 166,929.50 and 67,252.02

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Solution

The fourth proportional to 120,970.28, 166,929.50 and 67,252.02 is: 92,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,970.28 : 166,929.50 = 67,252.02 : x
  2. Step 2: Convert to fraction form
    120,970.28/166,929.50 = 67,252.02/x
  3. Step 3: Cross multiply
    120,970.28x = 166,929.50 × 67,252.02
  4. Step 4: Simplify right side
    120,970.28x = 11,226,345,736.33
  5. Step 5: Solve for x
    x = 11,226,345,736.33/120,970.28
  6. Step 6: Final answer
    x = 92,802.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.