Home / 103,600.22-155,515.55-53,666.96

Finding the Fourth Proportional to 103,600.22, 155,515.55 and 53,666.96

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Solution

The fourth proportional to 103,600.22, 155,515.55 and 53,666.96 is: 80,560.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,600.22 : 155,515.55 = 53,666.96 : x
  2. Step 2: Convert to fraction form
    103,600.22/155,515.55 = 53,666.96/x
  3. Step 3: Cross multiply
    103,600.22x = 155,515.55 × 53,666.96
  4. Step 4: Simplify right side
    103,600.22x = 8,346,045,755.32
  5. Step 5: Solve for x
    x = 8,346,045,755.32/103,600.22
  6. Step 6: Final answer
    x = 80,560.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.