Home / 104,930.13-144,630.77-74,263.57

Finding the Fourth Proportional to 104,930.13, 144,630.77 and 74,263.57

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Solution

The fourth proportional to 104,930.13, 144,630.77 and 74,263.57 is: 102,361.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.13 : 144,630.77 = 74,263.57 : x
  2. Step 2: Convert to fraction form
    104,930.13/144,630.77 = 74,263.57/x
  3. Step 3: Cross multiply
    104,930.13x = 144,630.77 × 74,263.57
  4. Step 4: Simplify right side
    104,930.13x = 10,740,796,579.15
  5. Step 5: Solve for x
    x = 10,740,796,579.15/104,930.13
  6. Step 6: Final answer
    x = 102,361.41

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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.