Home / 120,562.40-166,373.63-66,846.95

Finding the Fourth Proportional to 120,562.40, 166,373.63 and 66,846.95

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Solution

The fourth proportional to 120,562.40, 166,373.63 and 66,846.95 is: 92,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,562.40 : 166,373.63 = 66,846.95 : x
  2. Step 2: Convert to fraction form
    120,562.40/166,373.63 = 66,846.95/x
  3. Step 3: Cross multiply
    120,562.40x = 166,373.63 × 66,846.95
  4. Step 4: Simplify right side
    120,562.40x = 11,121,569,248.49
  5. Step 5: Solve for x
    x = 11,121,569,248.49/120,562.40
  6. Step 6: Final answer
    x = 92,247.41

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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.