Home / 104,517.20-144,233.16-56,770.16

Finding the Fourth Proportional to 104,517.20, 144,233.16 and 56,770.16

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Solution

The fourth proportional to 104,517.20, 144,233.16 and 56,770.16 is: 78,342.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.20 : 144,233.16 = 56,770.16 : x
  2. Step 2: Convert to fraction form
    104,517.20/144,233.16 = 56,770.16/x
  3. Step 3: Cross multiply
    104,517.20x = 144,233.16 × 56,770.16
  4. Step 4: Simplify right side
    104,517.20x = 8,188,139,570.51
  5. Step 5: Solve for x
    x = 8,188,139,570.51/104,517.20
  6. Step 6: Final answer
    x = 78,342.51

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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.