Home / 104,264.16-143,884.80-56,517.12

Finding the Fourth Proportional to 104,264.16, 143,884.80 and 56,517.12

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Solution

The fourth proportional to 104,264.16, 143,884.80 and 56,517.12 is: 77,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,264.16 : 143,884.80 = 56,517.12 : x
  2. Step 2: Convert to fraction form
    104,264.16/143,884.80 = 56,517.12/x
  3. Step 3: Cross multiply
    104,264.16x = 143,884.80 × 56,517.12
  4. Step 4: Simplify right side
    104,264.16x = 8,131,954,507.78
  5. Step 5: Solve for x
    x = 8,131,954,507.78/104,264.16
  6. Step 6: Final answer
    x = 77,993.77

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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.