Home / 104,983.28-144,877.38-67,279.40

Finding the Fourth Proportional to 104,983.28, 144,877.38 and 67,279.40

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Solution

The fourth proportional to 104,983.28, 144,877.38 and 67,279.40 is: 92,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,983.28 : 144,877.38 = 67,279.40 : x
  2. Step 2: Convert to fraction form
    104,983.28/144,877.38 = 67,279.40/x
  3. Step 3: Cross multiply
    104,983.28x = 144,877.38 × 67,279.40
  4. Step 4: Simplify right side
    104,983.28x = 9,747,263,199.97
  5. Step 5: Solve for x
    x = 9,747,263,199.97/104,983.28
  6. Step 6: Final answer
    x = 92,845.86

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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.