Home / 120,482.04-166,266.18-66,767.95

Finding the Fourth Proportional to 120,482.04, 166,266.18 and 66,767.95

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Solution

The fourth proportional to 120,482.04, 166,266.18 and 66,767.95 is: 92,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,482.04 : 166,266.18 = 66,767.95 : x
  2. Step 2: Convert to fraction form
    120,482.04/166,266.18 = 66,767.95/x
  3. Step 3: Cross multiply
    120,482.04x = 166,266.18 × 66,767.95
  4. Step 4: Simplify right side
    120,482.04x = 11,101,251,577.27
  5. Step 5: Solve for x
    x = 11,101,251,577.27/120,482.04
  6. Step 6: Final answer
    x = 92,140.30

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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.