Home / 145,241.44-217,768.92-56,400.28

Finding the Fourth Proportional to 145,241.44, 217,768.92 and 56,400.28

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Solution

The fourth proportional to 145,241.44, 217,768.92 and 56,400.28 is: 84,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,241.44 : 217,768.92 = 56,400.28 : x
  2. Step 2: Convert to fraction form
    145,241.44/217,768.92 = 56,400.28/x
  3. Step 3: Cross multiply
    145,241.44x = 217,768.92 × 56,400.28
  4. Step 4: Simplify right side
    145,241.44x = 12,282,228,063.30
  5. Step 5: Solve for x
    x = 12,282,228,063.30/145,241.44
  6. Step 6: Final answer
    x = 84,564.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.