Home / 104,186.64-143,777.39-56,441.19

Finding the Fourth Proportional to 104,186.64, 143,777.39 and 56,441.19

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Solution

The fourth proportional to 104,186.64, 143,777.39 and 56,441.19 is: 77,888.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,186.64 : 143,777.39 = 56,441.19 : x
  2. Step 2: Convert to fraction form
    104,186.64/143,777.39 = 56,441.19/x
  3. Step 3: Cross multiply
    104,186.64x = 143,777.39 × 56,441.19
  4. Step 4: Simplify right side
    104,186.64x = 8,114,966,704.49
  5. Step 5: Solve for x
    x = 8,114,966,704.49/104,186.64
  6. Step 6: Final answer
    x = 77,888.75

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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.