Home / 104,183.39-143,773.75-56,436.70

Finding the Fourth Proportional to 104,183.39, 143,773.75 and 56,436.70

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Solution

The fourth proportional to 104,183.39, 143,773.75 and 56,436.70 is: 77,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,183.39 : 143,773.75 = 56,436.70 : x
  2. Step 2: Convert to fraction form
    104,183.39/143,773.75 = 56,436.70/x
  3. Step 3: Cross multiply
    104,183.39x = 143,773.75 × 56,436.70
  4. Step 4: Simplify right side
    104,183.39x = 8,114,116,246.89
  5. Step 5: Solve for x
    x = 8,114,116,246.89/104,183.39
  6. Step 6: Final answer
    x = 77,883.01

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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.