Home / 104,687.49-144,527.91-80,112.12

Finding the Fourth Proportional to 104,687.49, 144,527.91 and 80,112.12

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Solution

The fourth proportional to 104,687.49, 144,527.91 and 80,112.12 is: 110,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,687.49 : 144,527.91 = 80,112.12 : x
  2. Step 2: Convert to fraction form
    104,687.49/144,527.91 = 80,112.12/x
  3. Step 3: Cross multiply
    104,687.49x = 144,527.91 × 80,112.12
  4. Step 4: Simplify right side
    104,687.49x = 11,578,437,269.27
  5. Step 5: Solve for x
    x = 11,578,437,269.27/104,687.49
  6. Step 6: Final answer
    x = 110,600.01

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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.