Home / 103,043.88-142,244.28-67,264.56

Finding the Fourth Proportional to 103,043.88, 142,244.28 and 67,264.56

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Solution

The fourth proportional to 103,043.88, 142,244.28 and 67,264.56 is: 92,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,043.88 : 142,244.28 = 67,264.56 : x
  2. Step 2: Convert to fraction form
    103,043.88/142,244.28 = 67,264.56/x
  3. Step 3: Cross multiply
    103,043.88x = 142,244.28 × 67,264.56
  4. Step 4: Simplify right side
    103,043.88x = 9,567,998,906.72
  5. Step 5: Solve for x
    x = 9,567,998,906.72/103,043.88
  6. Step 6: Final answer
    x = 92,853.64

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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.