Home / 103,974.22-143,483.70-56,226.88

Finding the Fourth Proportional to 103,974.22, 143,483.70 and 56,226.88

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Solution

The fourth proportional to 103,974.22, 143,483.70 and 56,226.88 is: 77,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.22 : 143,483.70 = 56,226.88 : x
  2. Step 2: Convert to fraction form
    103,974.22/143,483.70 = 56,226.88/x
  3. Step 3: Cross multiply
    103,974.22x = 143,483.70 × 56,226.88
  4. Step 4: Simplify right side
    103,974.22x = 8,067,640,781.86
  5. Step 5: Solve for x
    x = 8,067,640,781.86/103,974.22
  6. Step 6: Final answer
    x = 77,592.70

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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.