Home / 105,088.27-144,983.92-80,896.63

Finding the Fourth Proportional to 105,088.27, 144,983.92 and 80,896.63

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Solution

The fourth proportional to 105,088.27, 144,983.92 and 80,896.63 is: 111,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,088.27 : 144,983.92 = 80,896.63 : x
  2. Step 2: Convert to fraction form
    105,088.27/144,983.92 = 80,896.63/x
  3. Step 3: Cross multiply
    105,088.27x = 144,983.92 × 80,896.63
  4. Step 4: Simplify right side
    105,088.27x = 11,728,710,532.19
  5. Step 5: Solve for x
    x = 11,728,710,532.19/105,088.27
  6. Step 6: Final answer
    x = 111,608.18

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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.