Home / 104,446.28-144,135.96-56,699.64

Finding the Fourth Proportional to 104,446.28, 144,135.96 and 56,699.64

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Solution

The fourth proportional to 104,446.28, 144,135.96 and 56,699.64 is: 78,245.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,446.28 : 144,135.96 = 56,699.64 : x
  2. Step 2: Convert to fraction form
    104,446.28/144,135.96 = 56,699.64/x
  3. Step 3: Cross multiply
    104,446.28x = 144,135.96 × 56,699.64
  4. Step 4: Simplify right side
    104,446.28x = 8,172,457,043.05
  5. Step 5: Solve for x
    x = 8,172,457,043.05/104,446.28
  6. Step 6: Final answer
    x = 78,245.55

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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.