Home / 120,713.61-166,581.58-66,997.24

Finding the Fourth Proportional to 120,713.61, 166,581.58 and 66,997.24

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Solution

The fourth proportional to 120,713.61, 166,581.58 and 66,997.24 is: 92,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,713.61 : 166,581.58 = 66,997.24 : x
  2. Step 2: Convert to fraction form
    120,713.61/166,581.58 = 66,997.24/x
  3. Step 3: Cross multiply
    120,713.61x = 166,581.58 × 66,997.24
  4. Step 4: Simplify right side
    120,713.61x = 11,160,506,094.84
  5. Step 5: Solve for x
    x = 11,160,506,094.84/120,713.61
  6. Step 6: Final answer
    x = 92,454.41

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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.