Home / 104,451.34-144,003.64-83,012.66

Finding the Fourth Proportional to 104,451.34, 144,003.64 and 83,012.66

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Solution

The fourth proportional to 104,451.34, 144,003.64 and 83,012.66 is: 114,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,451.34 : 144,003.64 = 83,012.66 : x
  2. Step 2: Convert to fraction form
    104,451.34/144,003.64 = 83,012.66/x
  3. Step 3: Cross multiply
    104,451.34x = 144,003.64 × 83,012.66
  4. Step 4: Simplify right side
    104,451.34x = 11,954,125,206.08
  5. Step 5: Solve for x
    x = 11,954,125,206.08/104,451.34
  6. Step 6: Final answer
    x = 114,446.83

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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.