Home / 104,519.43-144,236.25-56,772.81

Finding the Fourth Proportional to 104,519.43, 144,236.25 and 56,772.81

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Solution

The fourth proportional to 104,519.43, 144,236.25 and 56,772.81 is: 78,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,519.43 : 144,236.25 = 56,772.81 : x
  2. Step 2: Convert to fraction form
    104,519.43/144,236.25 = 56,772.81/x
  3. Step 3: Cross multiply
    104,519.43x = 144,236.25 × 56,772.81
  4. Step 4: Simplify right side
    104,519.43x = 8,188,697,216.36
  5. Step 5: Solve for x
    x = 8,188,697,216.36/104,519.43
  6. Step 6: Final answer
    x = 78,346.17

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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.