Home / 119,539.40-164,857.73-85,016.39

Finding the Fourth Proportional to 119,539.40, 164,857.73 and 85,016.39

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Solution

The fourth proportional to 119,539.40, 164,857.73 and 85,016.39 is: 117,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,539.40 : 164,857.73 = 85,016.39 : x
  2. Step 2: Convert to fraction form
    119,539.40/164,857.73 = 85,016.39/x
  3. Step 3: Cross multiply
    119,539.40x = 164,857.73 × 85,016.39
  4. Step 4: Simplify right side
    119,539.40x = 14,015,608,297.04
  5. Step 5: Solve for x
    x = 14,015,608,297.04/119,539.40
  6. Step 6: Final answer
    x = 117,246.77

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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.