Home / 120,856.05-166,808.03-67,159.53

Finding the Fourth Proportional to 120,856.05, 166,808.03 and 67,159.53

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Solution

The fourth proportional to 120,856.05, 166,808.03 and 67,159.53 is: 92,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,856.05 : 166,808.03 = 67,159.53 : x
  2. Step 2: Convert to fraction form
    120,856.05/166,808.03 = 67,159.53/x
  3. Step 3: Cross multiply
    120,856.05x = 166,808.03 × 67,159.53
  4. Step 4: Simplify right side
    120,856.05x = 11,202,748,559.23
  5. Step 5: Solve for x
    x = 11,202,748,559.23/120,856.05
  6. Step 6: Final answer
    x = 92,694.98

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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.