Home / 120,966.66-166,935.06-67,252.73

Finding the Fourth Proportional to 120,966.66, 166,935.06 and 67,252.73

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Solution

The fourth proportional to 120,966.66, 166,935.06 and 67,252.73 is: 92,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,966.66 : 166,935.06 = 67,252.73 : x
  2. Step 2: Convert to fraction form
    120,966.66/166,935.06 = 67,252.73/x
  3. Step 3: Cross multiply
    120,966.66x = 166,935.06 × 67,252.73
  4. Step 4: Simplify right side
    120,966.66x = 11,226,837,683.04
  5. Step 5: Solve for x
    x = 11,226,837,683.04/120,966.66
  6. Step 6: Final answer
    x = 92,809.35

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1.5x scale

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.