Home / 120,329.06-166,053.43-65,886.17

Finding the Fourth Proportional to 120,329.06, 166,053.43 and 65,886.17

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Solution

The fourth proportional to 120,329.06, 166,053.43 and 65,886.17 is: 90,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,329.06 : 166,053.43 = 65,886.17 : x
  2. Step 2: Convert to fraction form
    120,329.06/166,053.43 = 65,886.17/x
  3. Step 3: Cross multiply
    120,329.06x = 166,053.43 × 65,886.17
  4. Step 4: Simplify right side
    120,329.06x = 10,940,624,518.06
  5. Step 5: Solve for x
    x = 10,940,624,518.06/120,329.06
  6. Step 6: Final answer
    x = 90,922.55

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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.