Home / 104,173.36-143,758.96-56,426.84

Finding the Fourth Proportional to 104,173.36, 143,758.96 and 56,426.84

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Solution

The fourth proportional to 104,173.36, 143,758.96 and 56,426.84 is: 77,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.36 : 143,758.96 = 56,426.84 : x
  2. Step 2: Convert to fraction form
    104,173.36/143,758.96 = 56,426.84/x
  3. Step 3: Cross multiply
    104,173.36x = 143,758.96 × 56,426.84
  4. Step 4: Simplify right side
    104,173.36x = 8,111,863,834.49
  5. Step 5: Solve for x
    x = 8,111,863,834.49/104,173.36
  6. Step 6: Final answer
    x = 77,868.89

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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.