Home / 120,960.51-166,931.16-67,246.35

Finding the Fourth Proportional to 120,960.51, 166,931.16 and 67,246.35

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Solution

The fourth proportional to 120,960.51, 166,931.16 and 67,246.35 is: 92,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,960.51 : 166,931.16 = 67,246.35 : x
  2. Step 2: Convert to fraction form
    120,960.51/166,931.16 = 67,246.35/x
  3. Step 3: Cross multiply
    120,960.51x = 166,931.16 × 67,246.35
  4. Step 4: Simplify right side
    120,960.51x = 11,225,511,211.27
  5. Step 5: Solve for x
    x = 11,225,511,211.27/120,960.51
  6. Step 6: Final answer
    x = 92,803.11

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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.