Home / 104,154.72-143,733.60-56,408.16

Finding the Fourth Proportional to 104,154.72, 143,733.60 and 56,408.16

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Solution

The fourth proportional to 104,154.72, 143,733.60 and 56,408.16 is: 77,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,154.72 : 143,733.60 = 56,408.16 : x
  2. Step 2: Convert to fraction form
    104,154.72/143,733.60 = 56,408.16/x
  3. Step 3: Cross multiply
    104,154.72x = 143,733.60 × 56,408.16
  4. Step 4: Simplify right side
    104,154.72x = 8,107,747,906.18
  5. Step 5: Solve for x
    x = 8,107,747,906.18/104,154.72
  6. Step 6: Final answer
    x = 77,843.31

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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.