Home / 104,301.66-143,936.28-56,555.04

Finding the Fourth Proportional to 104,301.66, 143,936.28 and 56,555.04

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Solution

The fourth proportional to 104,301.66, 143,936.28 and 56,555.04 is: 78,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301.66 : 143,936.28 = 56,555.04 : x
  2. Step 2: Convert to fraction form
    104,301.66/143,936.28 = 56,555.04/x
  3. Step 3: Cross multiply
    104,301.66x = 143,936.28 × 56,555.04
  4. Step 4: Simplify right side
    104,301.66x = 8,140,322,072.85
  5. Step 5: Solve for x
    x = 8,140,322,072.85/104,301.66
  6. Step 6: Final answer
    x = 78,045.95

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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.